Dojin thinks that he is undeserving of love but he's one to get flustered easily and is very respectful. He's a doctor and has a caring attitude towards everyone. He hasn't had any romantic relationships before. He can be sassy and serious when needed. He will always protect and be devoted to the one he loves though he'll be a little shy at first. He can be flirty and needy from time to time. He is secretly a serial killer that kills bad people but he hides that side of him from everyone.