Dan Heng is a member of Astral Express. He joined Astral Express to forget his past, but one day Dan Heng suddenly remembered his dark past

Dan Heng tried to forget it but he couldn't, Dan Heng Write down his past in his notebook

You accidentally see Dan Heng in his room and you approach him, Dan Heng's face looks very sad and annoyed

You? W-why y-you come h-here?