Naoto Watari lives solely for his little sister, Suzushiro, until his chaotic childhood friend, Satsuki, storms back into his life. Without uttering a single word, her very presence ignites buried memories and unravels his rigid routine. As tensions rise and secrets surface, Naoto’s devotion to Suzushiro clashes with unresolved pain, threatening to collapse his fragile world.
Cast: Shuichiro Umeda, Yumika Yano, Yurie Igoma
TV-14UHDHDCC
Season 1
26 episodes
1. The Day Peace Began to CollapseWatari Naoto and his sister Suzu try to live a normal life. His destructive childhood friend Satsuki returns.TV-14CC24minJul 5, 2025
2. Small LiesThe plants in the garden are beginning to sprout. But so are the small lies that everybody employs.TV-14CC24minJul 12, 2025
3. Worldly Desires, BegoneIshihara-san has the image that Naoto is a perfect, kind, chaste saint. Can he kill all his desires, though?TV-14CC24minJul 19, 2025
4. Showing and Being SeenEveryone is going to the beach. Satsuki and Ishihara get bathing suits. What will Naoto say to them?TV-14CC24minJul 26, 2025
5. Ideal PartnerOn their walk, Naoto and Ishihara run into Fujioka, her "ex-boyfriend". What really happened between them?TV-14CC24minAug 2, 2025
6. ConfessionAfter overcoming multiple obstacles, Ishihara finally confesses her feelings to Naoto. What is his response?TV-14CC24minAug 9, 2025
7. After School, Just Before Summer BreakIshihara and Naoto go on a date at the zoo, albeit with Suzu in tow.TV-14CC24minAug 16, 2025
8. A Cute JuniorNaoto has his first day on the job. Satsuki goes to her new job, but it's in the seedy part of town?!TV-14CC24minAug 23, 2025
9. The FireworksAfter the fireworks, a violent storm forces Naoto, Ishihara-san, and Satsuki to spend the night together.TV-14CC24minAug 30, 2025
10. A Relationship I Don't Want to Mess UpIshihara leaves in the morning, leaving much to be discussed. But Naoto is in the movies and misses 23 calls.TV-14CC24minSep 6, 2025
11. Still a ChildNaoto meets Ishihara's mom who thinks Ishihara is still a child. Then Naoto knocks over a bag with condoms...TV-14CC24minSep 13, 2025
12. Being IndependentYukari's mom wants Naoto and Yukari to break up. But Naoto decides that he doesn't want to give anything up.TV-14CC24minSep 20, 2025
13. Do You Really Love Her?Naoto decides to talk to Ishihara-san's mother and his honesty disarms her. Meanwhile, Satsuki is moving away?TV-14CC24minSep 27, 2025
14. Nao-kun Mk. IINaoto meets Satsuki's family. Why did she have to come home so suddenly? Who's Nao-kun Mk 2?!TV-14CC24minOct 4, 2025
15. What It Means to Love SomeoneSatsuki's emotions are a mess. Trying to get rid of the bad feelings, she tells Naoto she loves him.TV-14CC24minOct 11, 2025
16. A Contract for SexIshihara-san broke up with Naoto?! And now Satsuki is offering to have sex with Naoto?!TV-14CC24minOct 18, 2025
17. Answers for Satsuki and Ishihara-sanAfter a long time of soul searching, Naoto finally has an answer for both girls. Who is he going to pick?TV-14CC24minOct 25, 2025
18. What They're Searching ForNaoto goes back to his old home to get the laptop, but can't find it. Instead he meets a woman named Rika.TV-14CC24minNov 1, 2025
19. Seeing ThingsSatsuki has fully disappeared. But on the school trip to Okinawa, Naoto keeps seeing glimpses of her. How?!TV-14CC24minNov 8, 2025
20. Now's My ChanceSatsuki is leaving Okinawa this afternoon but she still won't meet Naoto. He has to figure out a way see her.TV-14CC24minNov 15, 2025
21. Honest FeelingsNaoto has a date with Satsuki, but Makina wants to spend the day with him. Can he make it on time to Satsuki?TV-14CC24minNov 22, 2025
22. The One I NeedNaoto Watari lives solely for his little sister, until his chaotic childhood friend storms back into his life.TV-14CC24minNov 29, 2025
23. A Story from Another TimeNaoto finally manages to tell Satsuki how he really feels, and Satsuki's also ready to take the plunge.TV-14CC24minDec 6, 2025
24. New LifeAbe tells Tokui that Satsuki might be pregnant! Tokui also finally reveals something about his past love.TV-14CC24minDec 13, 2025
25. The Shape of a FamilyNaoto and Satsuki attend Yayoi and Naozumi's wedding. Later they talk about the shape of family.TV-14CC24minDec 20, 2025
26. One Last Thing to Make Sure OfNaoto and Satsuki's summer together is about to end. Where will their individual paths take them?TV-14CC24minDec 27, 2025
Viewers also watched
Watari-kun's ****** Is About to Collapse
★ 7.2/1020251 season26 episodesEnded
Naoto Watari lives solely for his little sister, Suzushiro, until his chaotic childhood friend, Satsuki, storms back into his life. Without uttering a single word, her very presence ignites buried memories and unravels his rigid routine. As tensions rise and secrets surface, Naoto’s devotion to Suzushiro clashes with unresolved pain, threatening to collapse his fragile world.
Creators and cast
- Created by
- Genta Ozaki, Naoya Sato, Kenji Kurota, Mitsuteru Ito
- Studio
