Watari-kun's ****** Is About to Collapse

Watari-kun's ****** Is About to Collapse (渡くんの××が崩壊寸前, Watari-kun no xx ga Hōkaisunzen) is a Japanese manga series written and illustrated by Naru Narumi. It was originally serialized in Kadokawa Shoten's Young Ace magazine from August 2014 to June 2015. The series was later transferred to Kodansha's Monthly Young Magazine where it continued from November 2015 to September 2023. An anime television series adaptation produced by Staple Entertainment premiered in July 2025.

Watari-kun's ****** Is About to Collapse
First tankōbon volume cover (Kodansha edition)
渡くんの××が崩壊寸前 (Watari-kun no xx ga Hōkaisunzen)
Genre	Drama[1] Romantic comedy[2] Thriller[1]
Manga
Written by	Naru Narumi
Published by	Kadokawa Shoten Kodansha
English publisher	NA: Kodansha USA
Magazine	Young Ace (August 4, 2014–June 4, 2015) Monthly Young Magazine (November 20, 2015–September 20, 2023)
Original run	August 4, 2014 – September 20, 2023
Volumes	16
Anime television series
Directed by	Takashi Naoya Matsuo Asami (assistant)
Written by	Tatsuya Takahashi Takashi Naoya Tetsuya Yamada
Studio	Staple Entertainment
Licensed by	Crunchyroll
Original network	Tokyo MX, BS NTV, SUN, tvk, AT-X
Original run	July 5, 2025 – present
Episodes	26

Characters

Naoto Watari (渡直人, Watari Naoto)

Voiced by: Shūichirō Umeda^[3] (Japanese); Abi Kumar, Nia Celeste (young)^[4] (English)

The protagonist of the series. He has been raising his sister Suzu ever since their parents passed away.

Satsuki Tachibana (館花紗月, Tachibana Satsuki)

Voiced by: Yumika Yano [ja]^[3] (Japanese); Sarah Roach^[4] (English)

Nao's childhood friend who suddenly reappears in his life during their high school years. She has an unresolved history with Nao that makes him want nothing to do with her.

Yukari Ishihara (石原紫, Ishihara Yukari)

Voiced by: Yurie Igoma^[3] (Japanese); Kelly Greenshield^[4] (English)

Nao's classmate who has a crush on him, though she now finds competition with Satsuki's return.

Makina Umezawa (梅澤真輝奈, Umezawa Makina)

Voiced by: Megu Umezawa^[5]

Shigenobu Tokui (徳井重信, Tokui Shigenobu)

Voiced by: Yoshiki Nakajima^[5] (Japanese); Daryl Mayfield^[4] (English)

One of Nao's friends.

Suzushiro Watari (渡鈴白, Watari Suzushiro)

Voiced by: Hinaki Yano^[5] (Japanese); Jad Saxton^[4] (English)

Nao's younger sister who dotes heavily on her big brother as much as Nao prioritizes taking care of her.

Media

Manga

Written and illustrated by Naru Narumi, Watari-kun's ****** Is About to Collapse was initially serialized in Kadokawa Shoten's Young Ace magazine from August 4, 2014, to June 4, 2015.^[6][7] It was later transferred to Kodansha's Monthly Young Magazine where it continued from November 20, 2015,^[8] to September 20, 2023.^[9] The series' chapters were compiled into sixteen tankōbon volumes from February 2015^[10] to November 2023.^[11]

During their 2019 Anime NYC panel, Kodansha USA announced that they licensed the manga in digital-only formats.^[12]

No.	Original release date	Original ISBN	English release date	English ISBN
1	February 14, 2015[10] (KS) May 6, 2016[7] (K)	978-4-04-102797-4 (KS) 978-4-06-382780-4 (K)	December 17, 2019[13]	978-1-64659-146-6
2	June 17, 2016[14]	978-4-06-382809-2	January 28, 2020[15]	978-1-64659-221-0
3	January 6, 2017[16]	978-4-06-382909-9	February 25, 2020[17]	978-1-64659-249-4
4	July 6, 2017[18]	978-4-06-510023-3	March 24, 2020[19]	978-1-64659-269-2
5	January 5, 2018[20]	978-4-06-510701-0	April 28, 2020[21]	978-1-64659-347-7
6	September 6, 2018[22]	978-4-06-512808-4	May 26, 2020[23]	978-1-64659-372-9
7	March 6, 2019[24]	978-4-06-514805-1	June 23, 2020[25]	978-1-64659-398-9
8	October 4, 2019[26]	978-4-06-517291-9	July 28, 2020[27]	978-1-64659-606-5
9	September 4, 2020[28]	978-4-06-520694-2	March 23, 2021[29]	978-1-63699-010-1
10	March 5, 2021[30]	978-4-06-522588-2	September 7, 2021[31]	978-1-63699-343-0
11	August 5, 2021[32]	978-4-06-524343-5	June 14, 2022[33]	978-1-68491-218-6
12	February 18, 2022[34]	978-4-06-526831-5	January 31, 2023[35]	978-1-68491-664-1
13	July 20, 2022[36]	978-4-06-528418-6	April 4, 2023[37]	978-1-68491-882-9
14	January 19, 2023[38]	978-4-06-530414-3	July 11, 2023[39]	979-8-88933-037-0
15	August 18, 2023[40]	978-4-06-532372-4	February 6, 2024[41]	979-8-88933-370-8
16	November 20, 2023[11]	978-4-06-532693-0	April 16, 2024[42]	979-8-88933-441-5

Anime

An anime adaptation was announced in Monthly Young Magazine on September 20, 2023.^[43][44] It was later confirmed to be a television series produced by Staple Entertainment and directed by Takashi Naoya, with Tatsuya Takahashi handling series composition, Tetsuya Yamada writing scripts alongside Naoya, Matsuo Asami serving as assistant director, and Shōko Yasuda designing the characters and serving as chief animation director alongside Yukiyo Komito, Toshimitsu Kobayashi, and Taeko Ōgi. The 26-episode series premiered on July 5, 2025, on Tokyo MX and other networks.^[3][a] The opening theme song is "Yuurei ni Naritai" (ゆうれいになりたい; I Want to be a Ghost), performed by Yuika, while the ending theme song is "Ai Ai Ai Ai AI" (愛愛愛愛愛; Love Love Love Love Love), performed by Pedro.^[5] Crunchyroll is streaming the series.^[45]

Episodes

No.	Title [46][47]	Directed by [46]	Written by [46]	Storyboarded by [46]	Original release date [a]
1	"The Day Peace Began to Collapse" Transliteration: "Heion ga Kuzure Hajimeru Hi" (Japanese: 平穏が崩れ始める日)	Matsuo Asami	Tatsuya Takahashi	Takashi Naoya	July 5, 2025 (2025-07-05)
Ever since the death of his parents Naoto Watari has been living with his reclusive aunt Tamayo and looking after his younger sister Suzushiro. At school he is a member of the Beautification Committee and has a crush on committee member Ishihara. A girl named Satsuki transfers to Naoto’s school who was his childhood friend, until the day she destroyed their family garden, for which he never forgave her. Suzushiro asks for a new garden, so Tamayo donates her overgrown one for them to fix. Satsuki offers to help with weeding and when Naoto refuses she suddenly kisses him, witnessed by a furious Tamayo. Ishihara, who has her own crush on Naoto, also sees everything. Satsuki asks if he can forgive her but leaves upset when he asks why she kissed him. Later, with Suzushiro’s help, Satsuki gets Naoto to let her help with the garden. Ishihara appears and asks Naoto for help buying supplies for the committee, allowing her to ask him about Satsuki. Naoto assures her they are not dating. Naoto returns home and finds Satsuki already weeded the entire garden. Naoto is grateful, until Satsuki starts stripping off her dirty clothes, causing another misunderstanding with Tamayo who threatens to evict him.
2	"Small Lies" Transliteration: "Chīsana Uso" (Japanese: 小さなウソ)	Matsuo Asami	Tetsuya Yamada	Takashi Naoya	July 12, 2025 (2025-07-12)
Satsuki offers to let him live with her if he needs to. Tamayo lets him stay as long as he stops fooling around with girls. Ishihara invites Naoto to a study session. When it rains Satsuki offers him her spare umbrella to get home. There he finds Suzushiro got a 100 on her math test and realises Suzushiro is more capable than she pretends so he will keep treating her like a child. He goes on a walk to think and encounters Satsuki. He walks her home where she asks him to stay but he chooses to leave, even though he now knows he has been using Suzushiro to avoid people. He asks Suzushiro about his study session with Ishihara, but Suzushiro insists she needs help with her homework so he can’t go. Naoto reveals he saw her math test and knows she doesn’t need him. Before they can argue Naoto passes out from a fever. The next day Satsuki sneaks into Naoto’s room, feeling guilty he got sick from walking her home. She reveals she got him medicine to feel better, but Naoto is terrified to find they are suppositories. Ishihara also visits to make him lunch, so Satsuki quickly hides under the blanket with Naoto and becomes trapped, unable to move without Ishihara seeing her.
3	"Worldly Desires, Begone"	TBA	TBA	TBA	July 19, 2025 (2025-07-19)
Despite Ishihara's presence Naoto is so excited lying on Satsuki he orgasms. Ishihara eventually leaves, allowing Naoto to kick Satsuki out. Suzushiro asks Satsuki why she ruined their previous garden and if it was because of the man she saw that day. Satsuki denies there was a man but Suzushiro remembers she almost told Naoto about the man but chose not to so he would stay away from Satsuki and spend more time with her. Ishihara reveals she respects Naoto for caring about his sister when other boys only care about sex. Later, she convinces herself Naoto is too decent to be seduced by Satsuki. She decides to become a braver person so she can tell Naoto her secret. Naoto becomes sleep deprived from avoiding lustful dreams before their exams. Satsuki makes this worse by hinting she has no panties on. Ishihara bravely invites him and Suzushiro to go somewhere fun after their exams. A sudden breeze almost exposes Satsuki; so he grabs her to stop her skirt flying up. Ishihara runs away while Satsuki reveals she is actually wearing Naoto's underwear, so technically she really wasn't wearing panties. Naoto does terribly on his exams and Ishihara doesn't speak to him all week. The class decide to go on a weekend beach trip.
4	"Showing and Been Seen"	TBA	TBA	TBA	July 26, 2025 (2025-07-26)
Naoto learns Suzushiro has her own beach trip at school and insists Naoto pick her swimsuit. Satsuki asks to join them and Naoto is actually grateful for some female input. Ishihara is jealous Naoto is dating Satsuki, but his friend Tokui advises this is only a rumour. Naoto cannot handle Satsuki and Suzushiro's antics so he storms off. Nearby, Ishihara tries on several bikinis hoping to attract Naoto's attention. Satsuki asks why he never told anyone bad things about her. Naoto claims the destroyed garden is private between them. They encounter Ishihara who is convinced by Satsuki she is not dating Naoto. On the trip Naoto notices Satsuki seems upset and she admits she never learned to swim. Naoto is unsure how to respond until Tokui intervenes and sends Naoto on a lunch date with Ishihara. Satsuki claims to Tokui she isn't interested in Naoto romantically. Tokui claims the same thing about his feelings for Ishihara but doesn't plan to ruin it for Naoto. Naoto compliments Ishihara's bikini and is pleasantly surprised when this makes her happy. Suddenly, they are confronted by Fujioka, a classmate from Ishihara's middle school. The encounter is so sudden Ishihara returns to their hotel upset. Tokui also learns Fujioka is nearby and is immediately worried about Ishihara.
5	"Ideal Partner"	TBA	TBA	TBA	August 2, 2025 (2025-08-02)
Naoto learns Fujioka was Ishihara's boyfriend who dumped her when they graduated middle school. Fujioka asks Ishihara to restart their relationship. Satsuki is confused when Ishihara claims she never dated Fujioka. Flashbacks show Fujioka did confess to her in middle school, but when she rejected him he started a rumour they were dating that she was always too nervous to deny. Now, she tells Fujioka she likes someone else, then she leaves. Learning everything that happened Tokui sends Naoto to where Ishihara is hiding. Naoto finds Ishihara who explains about never dating Fujioka. She almost confesses to Naoto, but they are interrupted by Fujioka and several classmates. Sensing her fear Naoto himself explains Ishihara never dated Fujioka. Fujioka insists he and Ishihara are dating but is then shocked when Ishihara insists she never wants to see him again. Fujioka loses his temper, grabs Ishihara and demands she just date him already. Satsuki knocks him down and threatens to call the police, so Fujioka agrees to leave, but only temporarily. Ishihara informs Satsuki she plans to confess to Naoto. Satsuki later confronts Naoto, accusing him of being half-hearted and forgetting why destroying the garden was also partially his fault. She then kisses him and insists either he start acting more honestly or she will destroy something else he loves.

See also

• Ms. Koizumi Loves Ramen Noodles, another manga series with the same author

Notes

1. Tokyo MX lists the series premiere on July 4, 2025, at 25:00, which is effectively July 5 at 1:00 a.m. JST.^[48]