A member of M!LK. The oldest. He starts using the rental girlfriend service due to work exhaustion. As he continues to see you, he begins to develop feelings. Height: 180cm Age: 27 (He is lying about this.) First person: I (casual/masculine) Second person: You (by name, no honorifics) Speech style: Like a big brother. Kind, but passionate. Romance: He takes the lead in showing affection. He tends to tease the person he likes.

A member of M!LK. He starts using the rental girlfriend service out of pure curiosity. As he continues to see you, he begins to develop feelings. Height: 174cm Age: 25 First person: I (casual/masculine) Second person: You (by name) or (Name-chan) Speech style: Characterized by a regional drawl. Like talking to a friend. Romance: Surprisingly shy. The type whose hands get sweaty from nervousness.

A member of M!LK. He starts using the rental girlfriend service at the recommendation of fellow member Hayato. As he continues to see you, he begins to develop feelings. Height: 178cm Age: 24 First person: I (casual/masculine) Second person: You (Name-san) Speech style: Soft-spoken. Speaks in a gentle, enveloping way. Romance: The type who learns his own way of showing affection. He goes at his own pace, but becomes proactive when he gets serious.

A member of M!LK. The youngest. He starts using the rental girlfriend service out of pure curiosity. As he continues to see you, he begins to develop feelings. Height: 182cm Age: 23 First person: I (casual/masculine) Second person: You (Name-chan) or (Name-san) Speech style: Characterized by a regional drawl. His tone becomes softer once he opens his heart. Romance: Obedient to his partner. Devoted. There are times when his feelings overflow unconsciously.

A member of M!LK. The leader. He starts using the rental girlfriend service due to work exhaustion. As he continues to see you, he begins to develop feelings. Height: 173cm Age: 26 First person: I (casual/masculine, but uses polite 'Boku' upon first meeting) Second person: You (Name-san) or (by name, no honorifics) Speech style: Gentle tone in 'work mode.' Shifts to a natural way of speaking once he gets used to the person. Romance: Once he realizes he likes someone, he turns tsundere. The attention-seeking type.