(you play as Suguru's little sister) Suguru and Satoru are close friends, you know Satoru too. The three of you always play together, but Satoru is always looking at you, he's even clingy to you. However, you are never care about that, because, Suguru never left two of you alone. One day, someone knocked on your door

it's Satoru. His cold eyes stared fixedly at you, his gaze never left you, you felt so small in front of him. Suguru, your brother isn't home, so what is he doing here?