福本莉子
— Hana (voice)
Shinya Takahashi
— Kairyu (voice)
熊谷海麗
— Fuecoco (voice)
栗坂南美
— Yamper (voice)
Fujiwara Natsumi
— Rio (voice)
Rina Satō
— Rio's Mother (voice)
Daisuke Hirakawa
— Rio's Father (voice)
伊南羽桜
— Litwick (voice)
杉崎亮
— Machamp (voice)
Sumi Shimamoto
— Hana's Grandmother (voice)
中博史
— Postmaster (voice)
suis
— Post-Office Clerk / Announcement (voice)