A high school senior named Youtarou thought he was an only child — until he met his real mother and discovered that she has 19 daughters, from 0 to 18 years old. Now he ends up living with his true family.
Yuki Kaji
Youtarou Amatsuka (voice)
Natsuko Kuwatani
Mama (voice)
Rina Sato
Miharu Amatsuka (voice)
Yuka Saitou
Mizore Amatsuka (voice)
Yuko Goto
Haruka Amatsuka (voice)
Haruka Tomatsu
Hikaru Amatsuka (voice)
Aya Uchida
Hotaru Amatsuka (voice)
Saki Fujita
Tsurara Amatsuka (voice)
