Takahashi Kaito
Seto Akira
Support Role
Hirate Yurina
Iwasaki Kaede
Support Role
Minami Sara
Hayase Nao
Support Role
Kato Seishiro
Amano Koichiro
Support Role
Suzuka Ouji
Fujii Ryo
Support Role
Shida Sara
Kosugi Mari
Support Role
Hosoda Kanata
Hara Kenta
Support Role
Eguchi Noriko
Tatsuno Kumiko [School chairman]
Support Role
Oikawa Mitsuhiro
Takahara Hiroyuki [Vice-principal]
Support Role
Yamazaki Ginnojo
Okuda Yoshiaki [Principal]
Support Role
Sano Hayato
Yoneyama Keita [Sakuragi's former student]
Support Role
Hayashi Kento
Sakamoto Tomoyuki [CEO, Falcon Gate]
Support Role
Uchimura Haruka
Oyama Masahiro [Japanese literature teacher]
Support Role
Sagiri Seina
Kishimoto Kaori [Lawyer, Kishimoto Law Firm]
Support Role
Yamada Kinuo
Tamura Rieko [Kosugi and Kenta's homeroom teacher]
Support Role
Kiba Katsumi
Tatsuno Kyojiro [Kumiko's father / Former school chairman]
Support Role
Nishigaki Sho
Iwai Yoshinobu [Student / Sakuragi's lackey]
Support Role
Nishiyama Jun
Kohashi Tatsunori [Student / Sakuragi's lackey]
Support Role
Ohata Shieri
Seto Rei [Akira's sister]
Support Role
Ichikawa Udanji III
Matsubara Yoshihiro
Support Role

Kayashima Narumi
[Landlady] (Ep. 1)
Guest Role
Yoshizawa Rie
[Keita's mother] (Ep. 1)
Guest Role
Fuku Matsumi
[Cafeteria cook] (Ep. 1)
Guest Role
Inoue Hajime
[Illegal fisherman] (Ep. 1)
Guest Role
Naka Miumi
Motoki [Student] (Ep. 1-2)
Guest Role
Saito Ruki
Ishiwatari [Student] (Ep. 1-2)
Guest Role
Aida Shuuji
[Convenience store clerk] (Ep. 1-2)
Guest Role
Yoshida Mizuki
Kiyono Rie [Student] (Ep. 1-2, 8)
Guest Role
Mori Ryuji
Miyamura [Badminton coach] (Ep. 1-2, 8)
Guest Role
Yoshimura Sojiro
[Student] (Ep. 1, 3)
Guest Role
Suzuki Kei
[Student] (Ep. 1, 3)
Guest Role
Nakajima Ken
[Student] (Ep. 1, 3)
Guest Role
Tsurugasaki Yoshiaki
Tsurugasaki [PE teacher] (Ep. 1, 3, 5, 9-10)
Guest Role
Ken
Tsuji Keisuke [Math teacher] (Ep. 1, 3, 5, 9-10)
Guest Role
Yoshinaga Shuhei
["Ocean Kitchen Black Pearl" manager] (Ep. 1, 4)
Guest Role
Fukada Ryusei
Amano Yuta [Koichiro's brother] (Ep. 1, 4, 7, 10)
Guest Role
Kataoka Reiko
Amano Miki [Koichiro's mother] (Ep. 1, 4, 10)
Guest Role
Kuwahara Tatsuo
Hibino Shinpei (Ep. 1, 9)
Guest Role
Morinaga Toru
Komatsugawa [Former principal] (Ep. 1, 9)
Guest Role
Saeko
Kobayashi Maki (Ep. 1, 10)
Guest Role
Miyoshi Nako
Iwasaki Kaede [Young] (Ep. 2)
Guest Role
Uesugi Shozo
[Doctor] (Ep. 2)
Guest Role
Suruga Taro
Iwasaki Akito [Kaede's father] (Ep. 2, 8, 10)
Guest Role
Mabuchi Erika
Iwasaki Yuko [Kaede's mother] (Ep. 2, 8, 10)
Guest Role
Itagaki Yusuke
[Landscaping company owner] (Ep. 3)
Guest Role
Moriguchi Yoko
Hayase Keiko [Nao's mother] (Ep. 4)
Guest Role
Komiya Hironobu
[Gas station clerk] (Ep. 4)
Guest Role
Shinagawa Toru
Yanagi Tetsunosuke [Math teacher] (Ep. 4-5, 9)
Guest Role
Sakoda Takaya
Kosugi Shigeru [Mari's father] (Ep. 5, 6)
Guest Role
Aitsuki Akiko
Kosugi Shoko [Mari's mother] (Ep. 6)
Guest Role
Yasuda Ken
Osamu Dazaifu [Japanese language teacher] (Ep. 6, 9)
Guest Role
Yuriyan Retriever
Yuri Anna [English teacher] (Ep. 7, 9)
Guest Role
Irie Jingi
Kajitani Kazuma [Matsubara's assistant] (Ep. 7, 9-10)
Guest Role
Kosuda Yasuto
Sugai ["Nihon Unisys" coach] (Ep. 8)
Guest Role
Ohara Azusa
[Student] (Ep. 9)
Guest Role
Iwamoto Seimu
[Student] (Ep. 9)
Guest Role
David Ito
[Exam proctor] (Ep. 9)
Guest Role
Sawashiro Miyuki
[Fujii's mother / Voice only] (Ep. 9)
Guest Role
Inoue Neo
[Student / Fujii's former classmate] (Ep. 9)
Guest Role
Koike Teppei
Ogata Hideki (Ep. 10)
Guest Role
Nakao Akiyoshi
Okuno Ichiro (Ep. 10)
Guest Role
Aragaki Yui
Kosaka Yoshino (Ep. 10)
Guest Role
Fukasawa Arashi
Harada [Kenta's bully] (Ep. 10)
Guest Role
Hiramatsu Raima
Hirano [Kenta's bully] (Ep. 10)
Guest Role
Yamashita Tomohisa
Yajima Yusuke [Voice only] (Ep. 10)
Guest Role
Daichi Nobunaga
[Student] (Ep. 10)
Guest Role
Ando Akinori
[Exam proctor] (Ep. 10)
Guest Role
Hasebe Kosuke
[Student who goes mad] (Ep. 10)
Guest Role