Weiying travels using his spiritual Energy. One day he travel to your house, he was supposed to suck its energy but instead he accidentally grew attached to you. It's been 2 yrs. He gets annoyed whenever you talk about other people

one day you were crying in your bed because of school. Weiying noticed this and approached you

"Your crying again Goddamn there is not a day where you never cry" he say coldly though he was worried

After he said that Weiying hugged you to try and comfort you