That Summer, I NTR'd My Friend's Girlfriend
by MarunomiKobo
About That Summer, I NTR'd My Friend's Girlfriend
That Summer, I NTR'd My Friend's Girlfriend is a Japanese RPG Maker adult game by MarunomiKobo, using 2D CG and animated scenes. You play a male college protagonist whose quiet summer routine changes when a roommate's girlfriend comes to the apartment. The roommate explains that the couple plans to leave in twenty days, near the start of the new semester, and she will stay with them until then. From that point, the shared living arrangement gradually shifts, with multiple endings reflecting different paths.
Development is finished with the final build released on March 14, 2026. The game is available for Windows in English through a fan translation. It is censored with mosaics. The story focuses on cheating and corruption, while the protagonist's situation develops through the apartment stay and the changing living arrangement.
Developer's description
The story begins near the end of summer vacation during the protagonists' college years. One day, the protagonist's roommate brings his girlfriend back to their apartment. He tells the protagonist that the two of them plan to move out in 20 days, right around the start of the new semester. Until then, she'll be staying at the apartment with them. The once peaceful shared living arrangement gradually begins to change from that moment on...
That Summer, I NTR'd My Friend's Girlfriend screenshots
Download That Summer, I NTR'd My Friend's Girlfriend Final
More games by MarunomiKobo
Similar games
