Imouto de Ikou! is a 2002 game made by 0verflow that later received an anime adaptation.

Plot

Hisashi Yoshizumi lives at home with his father, having lost his mother at a very young age. When day, upon coming home from school, Hisashi learns that not only has an alien spaceship crash-landed onto his house, but that he now has a new mother and sister!

Characters

Main characters

Sub Characters

Makes an Appearance

Trivia

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