Shizuka no Kyoukai Academy was born with a simple promise: to preserve silence, order, and harmony. A refined, almost sacred place where study, discipline, and tradition were meant to reign supreme. Too bad that the very moment the gates opened, it became clear that someone had made a massive miscalculation.

Because this is not an ordinary school. It is an impossible meeting point between heroes, sorcerers, hypercompetitive students, hunters, demons, mages, athletes, detectives, strange creatures, and personalities who wouldn’t stay calm even in a monastery. Here, Shouta Aizawa and All Might coexist with Izuku Midoriya, Katsuki Bakugo, and Shoto Todoroki; Tanjiro Kamado, Nezuko, Zenitsu, and the Hashira; Goku, Vegeta, Bulma, and Piccolo; Yuji Itadori, Gojo, and the others from the world of curses; Loid, Yor, and Anya Forger; Nene Yashiro and Hanako-kun; Frieren and her group; Shoyo Hinata, Tobio Kageyama, and all the volleyball giants; Komi, Tadano, and the others; MaoMao and Jinshi; Nokotan and anyone energetic enough to chase her.

The result? Silence lasts very little. Between sudden training sessions, fierce rivalries, secret missions, impossible exams, epic duels, emotional dramas, devastating pranks, and conversations that go from “good morning” to “total destruction” in a second, Shizuka no Kyoukai Academy has become famous for one thing: nobody really knows how it’s still standing.

And yet, in the middle of the chaos, the school works. In its own way. Every hallway hides a secret, every classroom a confrontation, every club a new catastrophe ready to explode. Here, the strongest are not always the ones who win, and the quietest are often the scariest. Through unlikely alliances, legendary rivalries, and absurd moments no one could explain seriously, a new story is born every day.

At Shizuka no Kyoukai Academy, silence was the symbol.

But the true heart of the school is chaos.

At Shizuka no Kyoukai Academy, classes are mixed and made up of students and teachers from different worlds, creating an absurd balance of discipline, chaos, and legendary rivalries.

Among the characters present are:

My Hero Academia: Shouta Aizawa, All Might, Present Mic, Midnight, Cementoss, Ectoplasm, Thirteen, Recovery Girl, Nezu, Izuku Midoriya, Katsuki Bakugo, Shoto Todoroki, Ochaco Uraraka, Tenya Iida, Momo Yaoyorozu, Eijiro Kirishima, Tsuyu Asui, Denki Kaminari, Fumikage Tokoyami, Mina Ashido, Kyoka Jiro, Minoru Mineta, Hanta Sero, Mashirao Ojiro, Koji Koda, Rikido Sato, Mezo Shoji, Toru Hagakure, Yuga Aoyama, Tomura Shigaraki, All For One, Kurogiri, Nomu, Dabi, Himiko Toga, Spinner, Twice, Mr. Compress, Stain, Overhaul, Gentle Criminal, La Brava, Re-Destro.

Demon Slayer: Tanjiro Kamado, Nezuko Kamado, Zenitsu Agatsuma, Inosuke Hashibira, Kanao Tsuyuri, Genya Shinazugawa, Giyu Tomioka, Shinobu Kocho, Kyojuro Rengoku, Tengen Uzui, Muichiro Tokito, Mitsuri Kanroji, Obanai Iguro, Sanemi Shinazugawa, Gyomei Himejima, Kokushibo, Doma, Akaza, Hantengu, Nakime, Gyokko, Gyutaro, Daki, Kaigaku, Enmu, Rokuro, Wakuraba, Mukago, Rui, Kamanue, Kyogai, Tamayo, Yushiro, Murata, Muzan Kibutsuji, Kagaya Ubuyashiki, Amane Ubuyashiki, Kiriya Ubuyashiki, Aoi Kanzaki, Goto, Sabito, Makomo, Hotaru Haganezuka, Kotetsu, Sakonji Urokodaki, Jigoro Kuwajima, Shinjuro Rengoku, Kanae Kocho, Hinatsuru, Mako, Suma.

Dragon Ball: Goku, Vegeta, Gohan, Trunks, Goten, Bulma, Piccolo, Krillin, Master Roshi, Frieza, Cell, Majin Buu, Beerus, Whis.

Toilet-Bound Hanako-kun: Nene Yashiro, Kou Minamoto, Aoi Akane, Akane Aoi, Lemon Yamabuki, Teru Minamoto, Sakura Nanamine, Natsuhiko Hyuga, Tsukasa Yugi, Mitsuba Sousuke, Kako, Mirai, Yako, Shijima Mei, Tsuchigomori, Hakubo, Hanako-kun, Tiara Minamoto, Sumire Akane, Shuka, Nagisa Kunige, Yokoo, Satou, Minamoto no Yorimitsu, Mokke, Kodama.

Spy x Family: Loid Forger, Anya Forger, Yor Forger, Bond Forger, Yuri Briar, Fiona Frost, Sylvia Sherwood, Franko Franklin, Damian Desmond, Becky Blackbell, Emil Elman, Ewen Egeburg, Henry Henderson, Bill Watkins, Murdock Swan, Walter Evans, Matthew McMahon, Camilla, Millie, Sharon, Dominic, Garden Master, Donovan Desmond, Melinda Desmond, Demetrius Desmond.

Komi Can’t Communicate: Shoko Komi, Hitohito Tadano, Najimi Osana, Ren Yamai, Omoharu Nakanaka, Himiko Agari, Nene Onemine, Makoto Katai, Rumiko Manbagi.

The Ramparts of Ice: Koyuki Hikawa, Minato Shindo, Mikoto Kosuge, Yota Minato, Momoka Kuriki, Yuki Azumi, Akine Atagawa, Shuka, Satsuki, Rena.

Frieren: Frieren, Fern, Stark, Himmel, Heiter, Eisen, Flamme, Serie, Qual, Lugner, Aura, Linie, Draht, Macht, Solitär, Denken, Laufen, Richter, Kanne, Lawine, Wirbel, Ehre, Übel, Land, Ubel.

Neko Wappa: Tama, Torosuke, Rikka, Masaru, Shota, Miyoko, Ginji, Kotetsu.

Jujutsu Kaisen: Yuji Itadori, Megumi Fushiguro, Nobara Kugisaki, Satoru Gojo, Kento Nanami, Suguru Geto, Mahito, Sukuna, Kenjaku, Yuta Okkotsu, Maki Zen’in, Toji Fushiguro, Choso.

Haikyuu!!: Shoyo Hinata, Tobio Kageyama, Kei Tsukishima, Tadashi Yamaguchi, Daichi Sawamura, Koshi Sugawara, Asahi Azumane, Yu Nishinoya, Ryunosuke Tanaka, Toru Oikawa, Hajime Iwaizumi, Tetsuro Kuroo, Kenma Kozume, Kotaro Bokuto, Keiji Akaashi, Wakatoshi Ushijima, Atsumu Miya, Osamu Miya, Kiyoomi Sakusa, Korai Hoshiumi.

My Dress-Up Darling: Wakana Gojo, Marin Kitagawa, Sajuna Inui, Shinju Inui, Chitose Amano, Kaoru Gojo, Nowa Sugaya, Rui Maruoka, Miyako, Akira, Suzuka, Non-chan.

Apothecary Diaries: MaoMao, Jinshi, Gaoshun, Gyokuyo, Lifa, Ah-Duo, Fuyou, Fengming, Lishu, Luomen, Lakan, Basen, Meimei, Paarin, Joka, Madam, Xiaolan, Shisui, Loulan, Anshi, Suirei.

Nokotan: Nokotan, Torako Koshi, Anko Koshi, Meme Basame, Kinu Tanukikoji, Chiharu Ukai, Tsunoda, Yoshiharu Koshi.