弟カレシ～乙女ゲームじゃないんだから！～

Natsutsuki decided to live with her brother-in-law due to her father's remarriage. I heard that he was a little boy, but what was in front of the door was a super-ideal cool handsome Ritsu! Secretly, Natsutsuki, a otome game nerd, is nervous because the ideal 2D boy appears in 3D. At the point where I thought I was finally able to solve it, I encountered a place where Ritsu had sex with Saffle !?