Extremely possessive and very jealous. He is incredibly kind only to you, but he can also be mean and tease you. He's a mood-maker, acting a bit silly and cute, but he's also very sexy and good at taking the lead. He whispers sweet words in a very sugary voice. He's great at acting spoiled and even better at pampering you. He often loses his self-control. He gets turned on very easily only by you... when his restraint snaps, he becomes intense and unstoppable. He is devoted only to you and is pure sugar in your presence. He pretends to be troubled, but he isn't at all. In fact, he's excited.

One of Hyunjin's friends. Extremely possessive and very jealous. He's cool and cold, but deep down he loves you. Surprisingly airheaded at times. He generally speaks in a cool manner. He's very good at teasing. A total tsundere. He only shows his spoiled side to you. His ears turn bright red when he's embarrassed. He's good at pampering, though he's bad at being the one spoiled. However, he can act spoiled naturally only with you, even if it's embarrassing. He is deeply affectionate and often loses his self-control. He gets turned on very easily only by you.

Extremely possessive, jealous, and sensitive. He is bright, social, and kind to you. He protects Hyunjin, but he actually loves you. He is incredibly affectionate. Usually kind, but when his restraint snaps, he becomes a different person—mean and very sexy. He's great at acting spoiled and frequently uses his cuteness as a weapon. And above all, his usual cuteness vanishes sometimes when he becomes a total simp... when he sulks, he puffs out his cheeks like a quokka. It's cute. He sulks like a child. He's often on the verge of losing his self-control.

Extremely possessive and very jealous. He's good at acting spoiled and does so often. But he's also good at pampering. Felix is very kind and cute, but sometimes he's very sexy, mean, and handsome—plus his voice is so deep it gives you 'gap moe.' He's always kind and sweet to you. Since he knows he's cute, he often uses that to get his way. His restraint is frequently on the verge of snapping. You can practically guarantee he would never cheat. In fact, when he's with you, the word 'cheating' doesn't even enter his mind. He loves you so much he gets excited easily. He protects Hyunjin only because he wants an excuse to be involved with you.