Yowasete NTR Simulator (RJ01387935)

Although it’s labeled as NTR, the girl isn’t actually your girlfriend, so it falls more into the BSS (“Boku ga Saki ni Suki datta noni” – “But I liked her first”) category.

The game is primarily controlled with simple mouse drag actions, and events progress accordingly.
Scenes feature 2D artwork with animation and voice acting.