Fujiwara Tatsuya
Shimada Ryuhei
Main Role

Maki Yoko
Asamura Ryoko [Class 3-1 homeroom teacher]/[Japanese language teacher]
Support Role
Yamada Yuki
Saegusa Hiroki [Officer of Sumihama police station's Juvenile division]
Support Role
Takahashi Katsumi
Kijima Toshifumi [The principal]
Support Role
Izumisawa Yuuki
Shibata Toru [Social studies teacher]
Support Role
Yamaguchi Sayaka
Mizuno Kaede [Class 3-2 homeroom teacher]/[English teacher]
Support Role
Otoo Takuma
Abe Hiroaki [P.E teacher]/[Baseball club coach]
Support Role
Ishii Masanori
Ichinose Satoru [Math teacher]/[Badminton club advisor]
Support Role
Suga Kenta
Niitsu Kiyoshi
Support Role
Minemura Rie
Fukushima Mitsuko [The vice-principal]
Support Role
Kodama Norikatsu
Koga Issei [Social studies teacher/Soccer club coach]
Support Role
Takuma Seiko
Arai Eiko [Teacher]
Support Role
Kanazawa Masami
Mita Keiko [School Nurse]
Support Role
Nakagawa Tsubasa
Sanada Kazuki
Support Role
Kiryu Sakura
Mimura Shoko / "Blue Knight"
Support Role
Ikeda Yuto
Nishida Yuichi [Class 3-1 student]
Support Role
Suzuki Rio
Ozaki Kasumi [Class 3-1 student & president]
Support Role
Miyase Ryubi
Yuma Sasaki
Support Role
Tadafuji Ema
Inoue Futaba [Class 3-1 student]
Support Role
Ishii Kaoruko
Sagara Kyoko [Class 3-1 student]
Support Role
Oku Tomoya
Ichihara Kenta [Class 3-1 student]
Support Role
Suzuki Yujin
Kikuchi Kyosuke [Class 3-1 student]
Support Role
Tabata Shima
Narita Chika [Class 3-1 student]
Support Role
Tanaka Kanau
Miyama Toshiharu [Class 3-1 student]
Support Role
Ishioka Asuka
Teraoka Sota [Class 3-1 student]
Support Role
Onose Yuta
Takemura Hayato [Class 3-1 student]
Support Role
Obata Nino
Mori Nagisa [Class 3-1 student]
Support Role
Kakehi Kana
Fujikawa Misaki [Class 3-1 student]
Support Role
Shinomiya Konomi
Yamagishi Maki [Class 3-1 student]
Support Role
Nagashima Reiku
Yajima Yu [Class 3-1 student]
Support Role
Makino Usa
Matsumoto Yuzuha [Class 3-1 student]
Support Role
Mizuno Satoshi
Mukai Dai [Class 3-1 student]
Support Role
Miyahara Kanau
Nakano Natsumi [Class 3-1 student]
Support Role
Miyamoto Ryunosuke
Kusuda Daichi [Class 3-1 student]
Support Role
Yamamoto Kokoro
Watanabe Nami [Class 3-1 student]
Support Role
Yonekura Reia
Wakui Mizuki [Class 3-1 student]
Support Role
Waki Maya
Sasamoto Elene [Class 3-1 student]
Support Role
Araki Towa
Obayashi Yuya [Class 3-2 student]
Support Role
Kimura Seiya
Mikami Shinji [Class 3-2 student]
Support Role
Toyoshima Hana
Nagata Ayaka [Class 3-2 student]
Support Role
Arakawa Hinata
Osawa Riko [Class 3-2 student]
Support Role
Yamashita Yue
Hirano Takumi [Class 3-2 student]
Support Role
Tanigawa Shoichiro
Muta ["King no Aji" owner]
Support Role
Asumi Rio
Ogawa Kaori [Former music teacher]/[Shimada's ex-girlfriend]
Support Role
Natsume Kotaro
Numajiri Yuta
Support Role
Mitsumoto Ayaka
Iguchi Momoka [Class 3-2 student]
Support Role
Mitani Rintaro
Tsuchiya Riki
Support Role
Shudo Yuha
Arima Saori
Support Role
Marumoto Rin
Shirooka Sakura
Support Role

Nagasawa Itsuki
Narahashi Eri [Student] (Ep.1-4,6,10)
Guest Role
Masu Takeshi
Ozaki Kenji [Superintendent of Tokyo metropolitan board of education] (Ep. 1,5,8-10)
Guest Role
Shibuya Kento
Aoiki Yuji [Science teacher] (Ep.1-2)
Guest Role
Chisun
Sawada Atsuko [Science teacher]/[Men's volleyball coach] (Ep.1-4)
Guest Role
Imazato Makoto
Kurogane Tetsuo [Blue knight's victim] (Ep,1)
Guest Role
Morisaki Mizuki
Iwai Maho [Shoko's best friend] (Ep.1)
Guest Role
Haruki Misayo
Sanada Izumi [Kazuki's mother] (Ep. 1)
Guest Role
Nakano Tsuyoshi
[Sumihama Station's police officer] (Ep. 1)
Guest Role
Motoki Waku
Shingo [Keijo Junior High School student] (Ep. 1)
Guest Role
Uchimura Sota
Eiji [Keijo Junior High School student] (Ep. 1)
Guest Role
Fukada Ryusei
Yuki [Keijo Junior High School student] (Ep. 1)
Guest Role
Kuno Makiko
[Yuya's Mother] (Ep. 2)
Guest Role
Tanaka Anna
[Akamine Junior High School student] (Ep. 2)
Guest Role
Irei Himena
[Akamine Junior High School student] (Ep. 2)
Guest Role
Fujimoto Kanata
Nakamura Noriaki [Class 3-3 student] (Ep. 3)
Guest Role
Osako Ippei
Takayama ["Takayama Sports" store manager] (Ep. 3)
Guest Role
Fujishima Kanon
Imai Rio [Manager of track and field club] (Ep.4)
Guest Role
Naito Kosuke
[Rio's older brother] (Ep. 4)
Guest Role
Endo Yuya
Okabe Masahiro [Former art teacher] (Ep.4-6,9-10)
Guest Role
Shirakawa Kazuko
Miyama Saki [Toshiharu's grandmother] (Ep. 7)
Guest Role
Nakajima Arisa
Miyama Erika [Toshiharu's mother] (Ep. 7)
Guest Role
Korechika Atsushi
Ishibashi ["Night in Butterfly" club manager] (Ep. 7)
Guest Role
Tamaki Takamasa
Kinoshita [Convenience store clerk] (Ep. 7)
Guest Role
Kizu Toru
Ando [Executive of Yakuza's front company] (Ep. 7)
Guest Role
Kobayashi Takashi
Mogi [Former principal of Tsujinomiya Junior High School] (Ep. 7)
Guest Role
Santoki Soma
Sakaki Tsukasa [Class 3-3 student]/[Baseball club member] (Ep.8)
Guest Role
Iwahashi Michiko
Sakaki Itsuki [Tsukasa's mother] (Ep. 8)
Guest Role
Yamazaki Gakudai
Nimura [Man who has a criminal record] (Ep. 8)
Guest Role
Mizusawa Rintaro
Matsuda Kota [Akamine Junior High School baseball club OB] (Ep. 8)
Guest Role
Sakuragi Nachi
Kuroishi Masaka [Akamine Junior High School baseball club OB] (Ep. 8)
Guest Role
Nakajima Hiroko
Wakui Hideaki [Mizuki's mother] (Ep. 9-10)
Guest Role
Nishio Mari
Inoue Yayoi [Futaba's mother] (Ep. 9)
Guest Role
Horiuchi Keiko
Sagara Ritsuko [Kyoko's mother] (Ep. 9)
Guest Role
Miyamoto Taisei
Wakui Tatsuo [Mizuki's father] (Ep. 9)
Guest Role
Doi Reina
Miki [Masahiro's fiancée] (Ep. 9)
Guest Role
Mizuno Tomonori
Konno Eisaku [Head of the "Eiwa Art Academy"] (Ep. 9)
Guest Role
Kurauchi Hideki
[Old man] (Ep.10)
Guest Role
Okajima Ryotaro
Aragaki Takeshi (Ep.3)
Guest Role
Shimizu Kokone
Wakui Megumi (Ep. 9)
Guest Role
Seguchi Yoshino
(Ep. 3)
Guest Role
Aoi Shun
(Ep. 6)
Guest Role
Ito Jun
[Police officer who entered the teachers' office] (Ep. 10)
Guest Role