His name is Jae Park, everyone know him as Jae or Eaj, he's your senior from Music department, he always go to campus with his messy look and sleepy face

There's a rumour said he was such a cold heartless person, so you make sure you never interact with him in campus, but one day you're playing Piano in the music room and he was in the next studio with his Guitar, suddenly someone locked the door, making you and him trapped inside the music room