Eriko Meets the Woman Behind Her Favorite Blog

At thirty, Eriko Shimura appears to have everything going for her. She is a successful sales executive at Nakamaru, a major Japanese trading company, where she manages imports of Nile perch from Tanzania’s Lake Victoria. She lives in an upscale apartment building in Tokyo’s Setagaya district and has built her life around professional achievement. But outside work, she is painfully lonely and has never managed to maintain close female friendships.

One of her favorite daily rituals is reading The Diary of Hallie B, The World’s Worst Wife, a humorous blog written by Shōko Maruo, a thirty-year-old homemaker who lives nearby. Shōko writes about her ordinary marriage to Kensuke, a supermarket manager she affectionately calls “The Demon King,” and her fondness for inexpensive food, particularly sushi from a revolving sushi restaurant called Smile Sushi.

Their lives unexpectedly intersect at Cafe Gisele, where Shōko is meeting Satoko Hanai, an editor interested in turning her popular blog into a book. Eriko happens to be there because her mother knows the café’s owner. Recognizing Shōko from their conversation, she excitedly introduces herself and gives Shōko her business card.

Shōko is flattered by the attention, although Kensuke later warns her to be cautious about strangers from the internet. She has already received some unsettling comments on her blog. Nevertheless, she writes enthusiastically about meeting her glamorous fan, and the two women arrange to see each other again.

Their first real outing takes place late at night at Denny’s. Eriko opens up about her complicated relationship with her parents and her lifelong difficulty making friends. Shōko listens sympathetically, and afterward she gives Eriko a ride home on the back of her bicycle.

For Eriko, the evening feels extraordinary. She believes she has finally found someone who genuinely understands her.

Unfortunately, Keiko Ogasawara, Eriko’s childhood friend and neighbor, witnesses their return. Keiko makes pointed remarks about Eriko’s inability to respect other people’s boundaries, hinting at a troubled history between them.

A Friendship Turns Into an Obsession

The trouble begins when Shōko travels to her rural hometown to help her father. Her stepmother, Urumi, has walked out, leaving the elderly man in a filthy, neglected house. Shōko spends several days cleaning while dealing with her passive father and unreliable younger brother, Yōhei.

She accidentally leaves her phone behind in Tokyo and doesn’t update her blog for four days.

To Eriko, the silence is terrifying. She sends ten messages without receiving a reply and convinces herself that Shōko might have been abducted by one of her online stalkers. Rather than waiting, she studies two years of Shōko’s blog posts, piecing together clues about her neighborhood until she identifies her exact apartment building.

When Eriko arrives unannounced, she encounters Shōko and Kensuke returning from a DVD rental outing. Instead of expressing relief, she angrily confronts Shōko for making her worry.

Both husband and wife are visibly disturbed. They barely know this woman, yet she has somehow located their home.

Hoping to clear up the misunderstanding, Shōko agrees to meet Eriko at Smile Sushi. But the conversation only makes matters worse. Eriko enthusiastically explains details of the seafood industry, including how inexpensive halibut is caught and processed. Shōko finds the information unpleasant and says she would rather enjoy her sushi without knowing those things.

Eriko feels humiliated by the rejection. At home, she begins compulsively pulling out her hair, a habit connected to a devastating experience fifteen years earlier.

Determined to repair their friendship, she sends more than twenty messages over the next forty-eight hours. Shōko becomes increasingly uncomfortable and discusses the situation with Kensuke and Satoko, both of whom suspect Eriko might resent Shōko’s married life.

Eventually, Eriko deliberately waits at Denny’s on a night when she knows Kensuke will be out. When Shōko arrives, Eriko approaches her, expecting another chance to reconcile.

Instead, Shōko calls her a stalker.

Furious, Eriko attacks Shōko’s character, accusing her of being lazy, cowardly, and ungrateful for her comfortable marriage. Shōko breaks down in tears and points out that they have only met five times. She demands that Eriko never contact her again.

Eriko cannot accept the rejection. She begins posting hostile comments online and creates a message-board discussion dedicated to criticizing Hallie B.

The Secret Behind Eriko’s Childhood

Seeking comfort, Eriko goes drinking with her colleague Yasuyuki Sugishita, who works in Nakamaru’s seafood division. He has noticed her obsession with Shōko and suggests that the two women simply have incompatible personalities.

He even compares Eriko to the Nile perch she imports: a species introduced into an unfamiliar environment that disrupts everything around it.

Desperate for affection, Eriko seduces him, and they spend the night together at a love hotel. The experience is painful and emotionally disappointing. Afterward, Sugishita makes an insensitive comparison between Eriko and a murdered female executive who had secretly worked as a prostitute.

Shōko, meanwhile, decides to visit Eriko’s apartment building in search of closure. There she encounters Keiko, who reveals what happened between her and Eriko fifteen years earlier.

The two girls had once been inseparable. But when Keiko began making other friends in high school, Eriko became intensely jealous. She followed Keiko, entered her bedroom without permission, and demanded information about her supposed boyfriend.

Trying to make Eriko leave her alone, Keiko invented a story about dating an older man through a telephone-dating service.

Eriko retaliated by spreading rumors that Keiko was engaging in compensated dating. She even sent accusations to school authorities. Keiko’s father believed the rumors and beat her, leaving a permanent scar.

Although the accusations were eventually disproven, the damage was done. Eriko was branded a stalker, ostracized by her classmates, and sent for counseling with Doctor Nishi.

For Shōko, the story confirms that Eriko’s frightening behavior is not new.

Eriko’s Career and Shōko’s Marriage Unravel

Eriko travels to Mwanza, Tanzania, to inspect Nile perch processing facilities. There she meets Naomi Akagi, an educated Japanese expatriate who helps coordinate her visit. They enjoy a friendly conversation over local food, but Eriko deliberately keeps her distance. After everything that has happened, she fears another friendship will end disastrously.

Back in Tokyo, Shōko’s blogging career is gaining momentum. Satoko invites her to a tasting event for Melanie magazine, where she meets Nori, a successful homemaker blogger whose polished lifestyle inspires her to become more ambitious.

Shōko begins preparing elaborate meals and pursuing magazine opportunities. When Yōhei calls to explain that their stepmother has permanently abandoned their father, she refuses to return home and take responsibility for him.

Her growing ambitions also create tension with Kensuke. When he questions her new priorities and goes out to eat alone, Shōko panics at the possibility of losing his affection.

She increasingly turns to Hashimoto, a friendly twenty-five-year-old waiter at Cafe Gisele. Eventually, she agrees to go with him to a new aquarium in Shinjuku.

Eriko’s own life is deteriorating much faster.

Returning to Nakamaru, she discovers that Sugishita is engaged to Maori Takasugi, a twenty-three-year-old temporary employee. Feeling betrayed, Eriko tries to warn Maori that Sugishita slept with her.

Maori responds with extraordinary hostility. She reveals that the temporary employees despise Eriko’s condescending, superior attitude. Then she threatens to ruin Eriko unless she sleeps with all twenty-three men in the sales division and produces photographic evidence.

Terrified, Eriko drops to her knees and begs for forgiveness. Maori strikes her head, leaving Eriko deeply shaken.

Exhausted by obsessive late-night internet activity and increasingly unstable, Eriko begins neglecting her job. She becomes fixated on satisfying Maori’s demand.

She invites her middle-aged division manager, a family acquaintance who has known her since childhood, out drinking. After becoming heavily intoxicated and vomiting in the street, she drags him into a love hotel.

Inside, her erratic behavior frightens him. She strips and taunts him until he strikes her forehead with a bedside lamp and flees.

Eriko returns home injured and retreats to her bedroom.

The Aquarium Blackmail and the Disastrous Hot Spring Trip

While recovering, Eriko continues monitoring Shōko’s social media activity. When she discovers that Shōko is visiting the Shinjuku aquarium, she rushes there in her pajamas despite her head injury.

Inside, she spots Shōko with Hashimoto. The two are holding hands and kissing in front of the Nile perch tank.

Eriko secretly photographs them.

When Hashimoto notices her and runs away, Eriko confronts Shōko and shows her the pictures. She threatens to send them to Kensuke and publish them online, destroying Shōko’s marriage and reputation.

Her price for silence is simple: Shōko must become her permanent best friend. She must promise never to ignore, dislike, or abandon Eriko again.

Terrified of losing Kensuke, Shōko agrees.

Eriko immediately begins controlling her life. She demands the password to Shōko’s blog and starts publishing entries under her name. She also arranges an overnight trip to a hot spring resort in Hakone, insisting that the two women travel together aboard the Romancecar train.

Shōko lies to Kensuke about the trip.

What Eriko imagines will be an intimate bonding experience becomes a nightmare for Shōko. Eriko insists they bathe naked together, prompting Shōko to pretend she is menstruating. Undeterred, Eriko offers her tampons and swims naked around the bath while Shōko watches in discomfort.

By the following morning, Shōko cannot tolerate another moment. She pretends to have severe cramps and returns to Tokyo alone.

Once home, she decides that continuing to lie will only make things worse. She confesses everything to Kensuke, including her romantic encounter with Hashimoto and Eriko’s blackmail.

Kensuke is devastated. He tells Shōko he can no longer live with her, packs his belongings, and leaves.

With her marriage collapsing, Shōko returns to her hometown.

The Bicycle Accident That Finally Ends Their Friendship

Before their relationship ends completely, Eriko and Shōko have one more encounter at Denny’s.

Afterward, Eriko demands another ride on the back of Shōko’s bicycle, hoping to recreate the wonderful evening that originally convinced her they were best friends.

But this ride is nothing like the first.

Shōko pedals listlessly while Eriko continues lecturing her. The bicycle becomes unstable and crashes, sending Eriko onto the asphalt and scraping her knees.

As they recover, Eriko catches sight of their reflection in an estate agency window.

For the first time, she sees how she actually appears beside Shōko. Instead of the polished, successful executive she still imagines herself to be, she sees an overweight, disheveled woman with frizzy hair looming aggressively over someone who is crying in fear.

She finally recognizes that Shōko is genuinely terrified of her and that no amount of pressure can force someone to become her friend.

Eriko takes out her phone and deletes the photographs of Shōko kissing Hashimoto. She tells Shōko that she no longer needs her and walks away.

Their relationship is finally over.

Shōko Faces Her Family’s Financial Collapse

Back in her hometown, Shōko discovers that her father has suffered a stroke and been hospitalized.

She also learns that the family’s finances are far worse than she realized. Her father has already sold his apartment building, parking lot, and farmland, squandering much of his fortune. The family home and remaining mountain property are among the few assets left.

With help from her uncle and a legal scrivener, Shōko begins making practical arrangements for her father’s future.

She reconnects with her cousin Miwa, a divorced mother raising a young son, and gradually accepts that she cannot continue waiting for her father to provide the affection and security she has always wanted.

Instead, she takes responsibility for his care. She tends to his neglected feet, considers selling the remaining family property, and begins planning how to support herself through independent employment.

Kensuke visits her at the hospital once. Their conversation is more honest than many of their previous exchanges, particularly when they discuss aging and financial security.

They do not reconcile, but neither does the conversation completely close the door on their marriage.

Eriko Loses Her Job and Confronts Her Past

Eriko briefly returns to Nakamaru, only to discover that her Nile perch project has been canceled.

Her remaining connection to Sugishita ends in another humiliating confrontation. In the staff kitchen, he approaches her in tears, complaining about his troubled engagement to Maori and declaring that he loves Eriko.

Maori walks in and explodes.

She attacks Sugishita by stabbing the back of his hand with a hard, sharp piece of imo-kempi, a sweet potato snack, causing him to bleed. She then viciously berates both of them, exposing Sugishita’s weakness and accusing Eriko of making everyone around her feel suffocated.

To further humiliate Eriko, Maori forces her to eat a piece of the bloodstained snack and demands that she resign immediately.

Eriko no longer has the strength to fight. She leaves Nakamaru, ending the career that once defined her entire identity.

At home, her mother finally breaks down under the strain of watching her daughter’s collapse. She throws a food tray against the wall, forcing Eriko to recognize how much her behavior has affected her parents.

Later, mother and daughter walk together in the park and speak more openly. Her mother admits that she has experienced struggles of her own and has sometimes depended on Keiko’s mother for support.

Their relationship begins to improve.

A Final Encounter at Denny’s

One night, at approximately 3:30 a.m., Eriko discovers that Shōko has permanently deleted The Diary of Hallie B, The World’s Worst Wife.

The blog that first brought Shōko into her life, and that Eriko obsessively followed for so long, is gone.

Unable to sleep, Eriko goes for a walk and eventually enters a twenty-four-hour Denny’s.

There she unexpectedly finds Keiko working the night shift.

Fifteen years after their friendship ended in accusations, humiliation, and violence, the two women finally sit together and have a peaceful conversation.

Keiko talks about how relationships can change or end without erasing the moments of happiness that once existed. For the first time, Eriko is able to listen without trying to reclaim their former closeness.

She decides that she needs to leave Setagaya and begin building a life that is no longer controlled by her childhood experiences or her obsession with Shōko.

Before the morning is over, Eriko takes out her phone and permanently deletes Shōko Maruo from her contacts.

As daylight arrives, she looks toward the morning and prepares to start again.