Otona nya Koi no Shikata ga Wakaranee!

Shinichiro Kamio

Kōtarō Tokura (TV version) (voice)

Mashiro Kazahana

Ai Kawamoto (voice)

Chasuke

Shuji Majima (complete version) (voice)

Ichiya-Koi

Kōtarō Tokura (complete version) (voice)

Kent Ito

Shuji Majima (TV version) (voice)

Kaede Yuasa

Mio Sudou (TV version) (voice)

Riho Sugiyama

Mio Sudou (complete version) (voice)