《エロ漫画》デク、母インコとお風呂に入っている時に凶暴チンポの個性に目覚める！直葉、ハプニングで一線を越えてからはタガが外れたように兄妹でSEX三昧！

《Erotic Manga》Deku wakes up to the personality of his violent cock while taking a bath with his mother Inko! After Naoha crosses the line by accident, the two brothers and sisters indulge in sex as if they've let loose!