Ai Kayano : Futaba Ooki
Eri Suzuki : Hikari Kohinata

Kikuko Inoue : Kino Kohinata
Saori Ōnishi : Ai Ninomiya
Shizuka Itou : Mato Katori
Yuichiro Umehara : Makoto Ninomiya
Yurika Kubo : Cha-Komon

Akihiro Mine : Boy B (ep 5)
Aya Suzaki :
Girl A (ep 6)
Mari Iguchi (eps 1, 3)
Chiwa Saito : Chizuru Himeno (ep 9)
Eiji Miy:hita : Chokomin-sensei (ep 1)
Erino Hazuki : Akane Mizun:hi (ep 9)
Fukushi Ochiai : Taw:hi-kun (eps 1, 4)
Gaku Kudō : Boy A (ep 5)
Hitomi S:aki : Girl A (ep 3)
Ikuji Nose : Diver B (ep 1)
Kae Matoba : Teko's homeroom teacher (ep 6)
Miina Obata : Shop woman (ep 7)
Minami Iinuma : Girl C (ep 3)
Naoko Komatsu : Bus Announcement (ep 2)
Ryō Nezuka :
Boy B (ep 3)
Student (ep 2)
Shino Shimoji : Ichiko Aoyagi (eps 1, 3)
Takaaki Uchino : Motorcycle man (ep 2)
Takahiro Shimada : Diver A (ep 1)
Toshiki Iw:awa :
B:eball club A (ep 3)
Student (ep 2)
Wataru Komada : Diver C (ep 1)
Yoji Ikuta :
Boy A (ep 3)
Student (ep 2)
Yoshihisa Kawahara : Nikku-sensei (eps 1, 7)
Yuri Yamaoka : Girl B (eps 3, 6)