Part 1 - NTR Japanese 18 Teen Girl Engaging in Intimate Relations with Close Friend

One day during the cold winter months, the three of them decide to go to Tetsuo's apartment after their club activities have ended. The main character gets sent on an errand to the convenience store for snacks. While he's away, Itoha and Tetsuo begin making out. When the main character gets back from the store, he opens the door to find the two of them having sex and quickly runs back out. Itoha and the main character play a game. But it soon leads to them having sex right beside Tetsuo.​