Natsuki Hanae
Ken 'Okarun' Takakura (voice) / Self
Shion Wakayama
Momo Ayase (voice) / Self
Nana Mizuki
Momo's Grandmother / Seiko (Dodoria Santa) (voice)
Mayumi Tanaka
Turbo Granny (voice)
Kazuya Nakai
Serpoian A / Serpoian B / Serpoian C (voice)
Kaori Maeda
Miko (voice)
Miyu Tomita
Muko (voice)
Ryunosuke Watanuki
Momo's Boyfriend (voice)
Hikaru Tanaka
Male Student A (voice)
Seitaro Taniguchi
Male Student B (voice)