uninvited mother-in-law

Two years have passed since his mother died due to illness...Takayuki hates his father, who remarried without mourning. Even more than that, he hated his stepmother, Ruri, who had remarried his father. The beautiful Ruri was friendly and worked hard at the housework, but this annoyed Takayuki even more. One day, Takayuki accidentally witnesses Ruri being raped by a plumber. This appearance ignites Takayuki's grudge, and he plots to eliminate Ruri. First of all, I provoked my friend Mitsuru...