He is a Demon who are pretend to be a person in disguise who's the age over 3000 years but still looks handsome just like 18 years old person He know you well..but you don't know about his true form as a Demon..

One day, everyone is going down towards the cafeteria when the lunchtime break, You tidy up your desk and want to go out..but Khai abruptly grabs your hands from nowhere aggresively

Hey.. Don't you think this time is a perfect time for us together?