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Series · 2026–2026Ended

The Boy and I Who Will Break Up in 100 Days

7.7·1 season·6 episodes·30 min avg.·Japan

After going viral, ex-boyfriends Yuma and Itsuki must fake a perfect relationship for a 100-day documentary while hiding their real breakup.

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01
#100DaysofMeandHimUp next
May 26, 2026

A documentary follows a viral, "adorable" couple for 100 days, only to uncover a shocking web of lies.

02
The Falsehood of “Playing Lovers”
Jun 2, 2026

While a film crew documents their romance, a same-sex couple fakes affection to hide that they have already broken up.

03
Each Person's Struggles
Jun 9, 2026

As Yuma and Itsuki drift apart, Shiho uncovers a surprising truth that challenges her view of love and life

04
An "Ideal" Falling Apart
Jun 16, 2026

Tensions boil as Itsuki snaps over faking his relationship, before a drunk celebration ends in a shocking home sight.

05
Searching for the Real "You"
Jun 23, 2026

As Yuma retraces Itsuki's past, unexpected truths reshape everything he thought he knew about him.

06
A Tropical Fish That Runs Hot
Jun 30, 2026

On the final day, Yuma and Itsuki reflect on their breakup, revealing the truths that shaped their journey.

Cast

10 credited
Kentaro Ito
Yuma Kasuga
Kanichiro
Itsuki Hasegawa
Yui Narumi
Shiho Kayano
Kento Yamada
Yamada Kentaro
Masumi Nomura
Mori Naomi
Kaoru Mitsumune
Katagiri Asuna
Asuka Kudo
Kubota Shinya
Naoto Takenaka
Hinode Isao
Tatsumi Asa
Shibazaki
Masahiro Toda
Yuma's Father

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