Watari-kun's ****** Is about to Collapse · Episode 5: Ideal Partner

Ideal Partner
2025-08-0224 min
On their walk, Naoto and Ishihara run into Fujioka, her "ex-boyfriend". What really happened between them?
1The Day Peace Began to Collapse2025-07-0524 minWatari Naoto and his sister Suzu try to live a normal life. His destructive childhood friend Satsuki returns.
2Small Lies2025-07-1224 minThe plants in the garden are beginning to sprout. But so are the small lies that everybody employs.
3Worldly Desires, Begone2025-07-1924 minIshihara-san has the image that Naoto is a perfect, kind, chaste saint. Can he kill all his desires, though?
4Showing and Being Seen2025-07-2624 minEveryone is going to the beach. Satsuki and Ishihara get bathing suits. What will Naoto say to them?
5Ideal Partner2025-08-0224 minOn their walk, Naoto and Ishihara run into Fujioka, her "ex-boyfriend". What really happened between them?
6Confession2025-08-0924 minAfter overcoming multiple obstacles, Ishihara finally confesses her feelings to Naoto. What is his response?
7After School, Just Before Summer Break2025-08-1624 minIshihara and Naoto go on a date at the zoo, albeit with Suzu in tow.
8A Cute Junior2025-08-2324 minNaoto has his first day on the job. Satsuki goes to her new job, but it's in the seedy part of town?!
9The Fireworks2025-08-3024 minAfter the fireworks, a violent storm forces Naoto, Ishihara-san, and Satsuki to spend the night together.
10A Relationship I Don’t Want to Mess Up2025-09-0624 minIshihara leaves in the morning, leaving much to be discussed. But Naoto is in the movies and misses 23 calls.
11Still a Child2025-09-1324 minNaoto meets Ishihara's mom who thinks Ishihara is still a child. Then Naoto knocks over a bag with condoms...
12Being Independent2025-09-2024 minYukari's mom wants Naoto and Yukari to break up. But Naoto decides that he doesn't want to give anything up.
13Do You Really Love Her?2025-09-2724 minNaoto decides to talk to Ishihara-san's mother and his honesty disarms her. Meanwhile, Satsuki is moving away?
14Nao-kun Mk. II2025-10-0424 minNaoto meets Satsuki's family. Why did she have to come home so suddenly? Who's Nao-kun Mk 2?!
15What It Means to Love Someone2025-10-1124 minSatsuki's emotions are a mess. Trying to get rid of the bad feelings, she tells Naoto—
16A Contract for Sex2025-10-1824 minIshihara-san broke up with Naoto?! And now Satsuki is offering to have sex with Naoto?!
17Answers for Satsuki and Ishihara-san2025-10-2524 minAfter a long time of soul searching, Naoto finally has an answer for both girls. Who is he going to pick?
18What They’re Searching For2025-11-0124 minNaoto goes back to his old home to get the laptop, but can't find it. Instead he meets a woman named Rika.
19Seeing Things2025-11-0824 minSatsuki has fully disappeared. But on the school trip to Okinawa, Naoto keeps seeing glimpses of her. How?!
20Now’s My Chance2025-11-1524 minSatsuki is leaving Okinawa this afternoon but she still won't meet Naoto. He has to figure out a way see her.
21Honest Feelings2025-11-2224 minNaoto has a date with Satsuki, but Makina wants to spend the day with him. Can he make it on time to Satsuki?
22The One I Need2025-11-2924 minNaoto's unsure about his future, but he's sure who he wants to be with. But will she reciprocate his feelings?
23A Story from Another Time2025-12-0624 minNaoto finally manages to tell Satsuki how he really feels, and Satsuki's also ready to take the plunge.
24New Life2025-12-1324 minAbe tells Tokui that Satsuki might be pregnant! Tokui also finally reveals something about his past love.
25The Shape of a Family2025-12-2024 minNaoto and Satsuki attend Yayoi and Naozumi's wedding. Later they talk about the shape of family.
26One Last Thing to Make Sure Of2025-12-2724 minNaoto and Satsuki's summer together is about to end. Where will their individual paths take them?
2Small Lies2025-07-1224 minThe plants in the garden are beginning to sprout. But so are the small lies that everybody employs.
3Worldly Desires, Begone2025-07-1924 minIshihara-san has the image that Naoto is a perfect, kind, chaste saint. Can he kill all his desires, though?
4Showing and Being Seen2025-07-2624 minEveryone is going to the beach. Satsuki and Ishihara get bathing suits. What will Naoto say to them?
5Ideal Partner2025-08-0224 minOn their walk, Naoto and Ishihara run into Fujioka, her "ex-boyfriend". What really happened between them?
6Confession2025-08-0924 minAfter overcoming multiple obstacles, Ishihara finally confesses her feelings to Naoto. What is his response?
7After School, Just Before Summer Break2025-08-1624 minIshihara and Naoto go on a date at the zoo, albeit with Suzu in tow.
8A Cute Junior2025-08-2324 minNaoto has his first day on the job. Satsuki goes to her new job, but it's in the seedy part of town?!
9The Fireworks2025-08-3024 minAfter the fireworks, a violent storm forces Naoto, Ishihara-san, and Satsuki to spend the night together.
10A Relationship I Don’t Want to Mess Up2025-09-0624 minIshihara leaves in the morning, leaving much to be discussed. But Naoto is in the movies and misses 23 calls.
11Still a Child2025-09-1324 minNaoto meets Ishihara's mom who thinks Ishihara is still a child. Then Naoto knocks over a bag with condoms...
12Being Independent2025-09-2024 minYukari's mom wants Naoto and Yukari to break up. But Naoto decides that he doesn't want to give anything up.
13Do You Really Love Her?2025-09-2724 minNaoto decides to talk to Ishihara-san's mother and his honesty disarms her. Meanwhile, Satsuki is moving away?
14Nao-kun Mk. II2025-10-0424 minNaoto meets Satsuki's family. Why did she have to come home so suddenly? Who's Nao-kun Mk 2?!
15What It Means to Love Someone2025-10-1124 minSatsuki's emotions are a mess. Trying to get rid of the bad feelings, she tells Naoto—
16A Contract for Sex2025-10-1824 minIshihara-san broke up with Naoto?! And now Satsuki is offering to have sex with Naoto?!
17Answers for Satsuki and Ishihara-san2025-10-2524 minAfter a long time of soul searching, Naoto finally has an answer for both girls. Who is he going to pick?
18What They’re Searching For2025-11-0124 minNaoto goes back to his old home to get the laptop, but can't find it. Instead he meets a woman named Rika.
19Seeing Things2025-11-0824 minSatsuki has fully disappeared. But on the school trip to Okinawa, Naoto keeps seeing glimpses of her. How?!
20Now’s My Chance2025-11-1524 minSatsuki is leaving Okinawa this afternoon but she still won't meet Naoto. He has to figure out a way see her.
21Honest Feelings2025-11-2224 minNaoto has a date with Satsuki, but Makina wants to spend the day with him. Can he make it on time to Satsuki?
22The One I Need2025-11-2924 minNaoto's unsure about his future, but he's sure who he wants to be with. But will she reciprocate his feelings?
23A Story from Another Time2025-12-0624 minNaoto finally manages to tell Satsuki how he really feels, and Satsuki's also ready to take the plunge.
24New Life2025-12-1324 minAbe tells Tokui that Satsuki might be pregnant! Tokui also finally reveals something about his past love.
25The Shape of a Family2025-12-2024 minNaoto and Satsuki attend Yayoi and Naozumi's wedding. Later they talk about the shape of family.
26One Last Thing to Make Sure Of2025-12-2724 minNaoto and Satsuki's summer together is about to end. Where will their individual paths take them?
Watari-kun's ****** Is about to Collapse★ 65%
Synopsis
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. (Source: Crunchyroll)
Trailer
Characters & Voice Actors

Satsuki TachibanaMain
Yumika YanoJP


Naoto WatariMain
Shuichirou UmedaJP


Suzushiro WatariMain
Hinaki YanoJP


Tamayo WatariSupporting
Naomi OozoraJP


Makina UmezawaSupporting
Meg UmezawaJP


Yukari IshiharaSupporting
Yurie IgomaJP


Shigenobu TokuiSupporting
Yoshiki NakajimaJP


Souichirou FujiokaSupporting
Yoshimasa HosoyaJP

Staff

Naru NarumiOriginal Creator

Tatsuya TakahashiSeries Composition

Toshimitsu KobayashiChief Animation Director

Takashi NaoyaScript

Takashi NaoyaDirector

Shouko YasudaChief Animation Director

Shouko YasudaCharacter Design

Matsuo AsamiAssistant Director
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