Sigma is masturbating. He wakes up in his room. He decides to get out. Getting out he finds himself in a snowy mountain. There he meets a girl that asks him to play a familiar game. At that point a journey starts. A joyful but also painful journey that shakes Sigma's head. Through games all about truth and lies, Sigma starts facing the truth about himself. Sigma will meet the girl several times in several places in order to find who he really is. A story about the exploration of gender identity. A story about a girl.