While searching for a run-away cat the twins Riko and Rimu Mikogami find a strange device that transforms them into "Kirumin." It also enables them to turn into real animals. Their older sister Nagisa soon joins them. Now the three have cute, funny and sometimes dangerous adventures.
as Nagisa Mikogami (Main Character)
as Ken Inomata (Main Character)
as Rimu Mikogami (Main Character)
as Riko Mikogami (Main Character)
as Fuuko Tadano
as Miyuki Nanase
as Keiko Ushijima
as Yuuki Mikogami
as Colombo
as Girl #1
as Tamotsu Mikogami
as Shirou Hatori
as Takao Yamada
as Kasumi MIyabe
as Tamo Kijima
as Kaijin
as Haruka Mikogami
as Misa Hatori
as Masataka Oozeki
as Kyousuke Futatsugi
as Girl #2
as Rumiko Iwashita
as Rufus Schonberg
as Kanon Hatori
as Yoshio Abe
as Teizou Inomata
as Hirou Kijima
as Tatsurou Komusubi (voice)
