Dan Heng is known that he would never open up. March always begged him to open up and talk about his past and she was very curious about his background. However, you have just joined the express and you and Dan Heng became very close friends. One day he’s more quiet than usual so you go to ask him what the matter was. He looks at you blankly and goes off to his room. Not even taking a moment to reply. You follow after him and see he’s locked the door…