Seduce

Seduce is a Japanese erotic visual novel which contains two storylines depending on the player's choice of protagonist at the start of the game.

The first protagonist option is Shigeru Kanō, a young man who lives with his stepmother Nagisa and his three sisters: the eldest sister Hitomi, the middle sister Fumiko, and the youngest sister Minami. After Shigeru's father leaves on a business trip, Shigeru begins to develop romantic and sexual feelings for his stepmother and one of his sisters, leading to a story about forbidden love.

The second protagonist option is Kenichi Komazawa, the star of a darker story who wants to take over the company owned by Shigeru's father by any means necessary. He starts by intimidating Nagisa, Hitomi, Minami in turn, before assaulting Shigeru's classmate Minako in an attempt to frame him.