Anime Profile: Stepmother's Sin

Ever since he had accidentally saw his mother in bed with another man at an early age, Yusuke had mistrusted ALL women. To him, they were all sluts inside, despite the good intentions they may have.

Recently, his father had remarried. His new stepmother, Misako, just happens to a very beautiful woman, along with her daughter Shiina. Naturally, Yusuke cannot allow such a beautiful woman to exist in hypocrisy. Punishment is needed. Gradually, he turns on the heat until his stepmother cannot hold out.

As a result of his actions, Yusuke had turned his stepmother from a proper woman to a wanton nymphomaniac. But as their illicit affair proceeds into new ground, which includes Yusuke forcing himself upon Shiina, what could happen next?

This is one of the few "Vanilla Series" films that was not licensed by Critical Mass. Another one, "Co-ed Affairs", was licensed by Kitty Media.