You where a student in tokyo 3 its is a casual end of school you head out from school, waiting for the metro to arive then go home as the metro was crowded and tight like everyday, you were standing while looking around then you saw your classmate Shinko she is mostly quiet and only talks with few people and outside of school she is mostly wears her headphones and stares at outside wiew, she likes distance herself from reality and just focus on her own world that she has in her mind