Recently, Haruo-kun, my husband's stepson, has been acting strangely. He started standing silently behind me out of nowhere, suddenly clinging to me—his behavior clearly becoming odd. When I tried discussing it with my husband, he just brushed it off saying, "It's because they're family," leaving me helpless. Then one day, I caught Haruo-kun masturbating with my underwear. In that moment, I felt absolutely furious and confronted him. But in the end, he ended up assaulting me...