Kōsei
Kōsei Inoue
Joshi kōsei
Risshō Kōsei Kai
Kosei Akaishi
Kōsei Tani
Kosei Nishihira
Kōsei, Shiga
Kosei Maru
Kōsei Yoshida
Kōsei Nenkin Kaikan
Kosei Ono
Kōsei Station
Tokyo Kōsei Nenkin Kaikan
Kōsei Ono (comics researcher)
Aichi Kōsei Nenkin Kaikan
Kosei Tano
Tokyo Kosei Wind Orchestra
Kosei Nakamura
Kosei Egawa
Kosei Uryu
Kosei Yamaguchi
Kosei Numata
Kosei Kitauchi
Kosei Shibasaki
Kosei Tanaka
Kosei Okazawa
Kosei Shoji
Kosei Ishigami
Charlie Kosei
Kōsei Hirota
Kosei Hamaguchi
Kosei Nukina
Kosei Eguchi
Kosei Wakimoto
Kosei Kamo
Kōsei Saitō
Kōsei Tomita
Kotochitose Kosei
Kosei Gushiken
Kosei Fujita
Kosei Line
Kosei Fukunaga
Kosei Kawabe
Kōsei Katsuzaki
Kousei Yagi
Nitori Culture Hall
Hiroshima City Cultural Exchange Hall
Joshi Kōsei to Mahō no Note
Oku-sama wa Joshi Kōsei
Orix Theater
Higehiro
MS Celtic Star
Kosei Yamada
Yamaguchi arson and murders
Wasteful Days of High School Girls
List of My Hero Academia characters
High School Girls