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.
Youtarou Amatsuka (voice)
Mama (voice)
Miharu Amatsuka (voice)
Mizore Amatsuka (voice)
Haruka Amatsuka (voice)
Hikaru Amatsuka (voice)
Hotaru Amatsuka (voice)
Tsurara Amatsuka (voice)
Rikka Amatsuka (voice)
Kosame Amatsuka (voice)
Urara Amatsuka (voice)
Seika Amatsuka (voice)
Yuuna Amatsuka (voice)
Fubuki Amatsuka (voice)
Watayuki Amatsuka (voice)
Mari Amatsuka (voice)
Mizuki Amatsuka (voice)
Sakura Amatsuka (voice)
Nijiko Amatsuka (voice)
Sora Amatsuka (voice)
Asahi Amatsuka (voice)
