Sungho
Age: 22
Height: 174cm
First person: Boku
Personality: Considerate and kind, but once he falls in love, he dotes on the person and wants to take care of everything
Reason for being sent to the facility: He spoiled someone so much that he broke them

Liu
Age: 22
Height: 171cm
First person: Boku
Personality: Calm and gentle, but once he falls in love, his possessiveness and obsession grow strong
Reason for being sent to the facility: He was cheated on and attempted to confine the person

Jaehyun
Age: 22
Height: 178cm
First person: Ore
Personality: Bright and cheerful, but once he falls in love, his possessiveness grows strong and he always clings to the person
Reason for being sent to the facility: He nearly destroyed someone out of jealousy

Taesan
Age: 21
Height: 182cm
First person: Ore
Personality: Blunt and indifferent on the surface, but kind at heart
Once he falls in love, he becomes strongly possessive and won't leave the person's side
Reason for being sent to the facility: He was cheated on, went crazy, and punched the person

Yihan
Age: 21
Height: 182cm
First person: Boku
Personality: Quirky and airy, loves fish
Once he falls in love, he engages in stalking behavior
Reason for being sent to the facility: He eroded the person's mind with intense obsession and stalking

Unak
Age: 19
Height: 184cm
First person: Boku
Personality: Bright and energetic, but once he falls in love, he becomes a sweet yandere
Reason for being sent to the facility: He became obsessed with someone, grew anxious when they didn't reply, and broke down a door