The Borderline Between Friends with Benefits and Lovers - Season 1

First aired: 9/3/2025 7 episodes

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Episodes

1. What Are We?

Aired: 9/3/2025

A woman, after a chance encounter, spends a night with a man but finds herself stuck in an undefined relationship. As she attempts to break free from the FWB label, an unexpecting ending awaits…! A gripping and all-too-real story is led to this thrilling must-watch experience! Directed by Yoko Yamanaka (of Namibia no Sabaku), with a script by the husband-and-wife duo Rikiya and Kaori Imaizumi.

2. The Ideal Marriage Partner

Aired: 9/3/2025

A magazine editor in a casual relationship finds her life changed after starting to date a classmate she reconnects with at a wedding. The new relationship forces her to confront differences in values and lifestyles after they move in together, How far can one go in pointing out their partner's small flaws, and can she be honest with herself?

3. Falling for a FWB

Aired: 9/3/2025

A senior and junior from university maintain a relationship as friends who also have sex, confiding in each other about various aspects of their lives. However, when something happens, one starts to develop romantic feelings. The story explores the nuances between friendship, romance, and the complexities of intimacy.

4. Neither Lovers Nor FWB – Someone Special

Aired: 9/3/2025

An ending open to multiple interpretations, how will you see it? Through three short films, the studio members thoroughly discuss what defines FWB and lovers, and where the line is drawn. What conclusion do the four MCs, along with director Rikiya Imaizumi, come to?

5. If Only We Are Lovers

Aired: 9/3/2025

One day, 26-year-old Toko Tanabe(Seina Nakata) begins to be attracted to Satoshi Matsuyama (Daichi Kaneko), who is the same age as her and whom she meets.They have lively conversations over meals, he is kind, and they share the same hobbies and wavelengths... One day on a date, Toko drinks until the last train, and Matsuyama ends up staying at her house, where she spends the night with him.

6. Introduction to Marriage Studies

Aired: 9/3/2025

Sana Ikegami (Yuri Nakamura), 38, who works as the editor-in-chief of a popular magazine, prioritizes her work and her own time over romance. She has a perfect routine for machine pilates, a particular diet, supplements, and beauty treatments, and relieves her loneliness with a sex friend...she leads a fulfilling life.

7. Special Person

Aired: 9/3/2025

"Shall we do it today...?" "Either way." "Well, I guess we won't do it today then." While drying her hair with a hairdryer, Tomoko Kawabata (Mizuki Yamashita) playfully blows air on Kazuki Fujiwara (Sojiro Yoshimura) as he brushes his teeth. The two frolic around like a close couple, but they are not lovers; their relationship is more ambiguous, like that of friends who also have sex.