Guest Stars Ryōta Suzuki voices Cutanner Hinami Mori as Flint Goldtsuiker Satsumi Matsuda voices Ricky Masaya Fukunishi voices Gege Tsutomu Kitagawa as Mr. Sue Co Starring Sojiro Chiba as Isao Goshikida (Infant) Hisako Matsuyama as Aunt Naritaka Goto as Isao Goshikida (Pupil) Homare Fujii as Isao Goshikida (Middle School Student) Koh Enomoto as Kaito Goshikida (Infant)