Adult PC Game: My Bully is My Lover - Ch1 Ep3 Part 1 + Update Only by NiiChan Win/Mac Archive

You will play as the MC who has an experience of being bullied by three girls during high school.
Fought your way through heaven and hell just to change your physical appearance, and one day swore that you will get your revenge. However, after reaching adulthood, you realized that taking revenge is just a waste of time and decided to just move on with life.
One day, your landlady put the other rooms in your house for rent. Without your knowledge, those three girls are the one moving in. Soon, You will discover something that will change your life forever.​

My Bully is My Lover - Ch1 Ep3 Part 1 + Update Only by NiiChan Win/Mac Gameplay Preview