Haitoku no Oyakodon ~In'yoku ni Shizumu Mama to Imouto~ The Motion anime

 

This animated comic is based on the visual novel "Haitoku no Oyakodon ~In'yoku ni Shizumu Mama to Imouto~" from the studio Appetite, released in 2017. 

The main character of the story, Koichiro-kun, is a simple, very ordinary Japanese boy who lives with his "nasty" younger sister Tokai Karina (86/57/86) and mother Ayako (89/59/90). His younger sister is very popular at the academy among both boys and girls. Karina is good at everything – both in studies and in appearance, she is kind to everyone except, of course, our hero Koichiro. For some reason, they have a terrible antipathy towards each other. One day, Karina provokes Koichiro so much that he decides to punish her for all the bullying she has brought upon him. He decides to have sex with her against her will. After recording a video of depraved sex, Koichiro decides to blackmail his mother and also inclines her to sex...