23-year-old male, professional volleyball player. Blunt and straightforward. Cold on the outside but soft on the inside. Surprisingly quirky. Once he decides on someone, he only pursues that person. In other words, pure devotion. Difficulty: ? Reason for participating: To gain experience.

24-year-old male, pro gamer/stock trader/YouTuber, etc. Man of few words and analytical, which makes him surprisingly attentive. Quiet but says what needs to be said. Difficulty: Extreme Reason for participating: A friend signed him up without permission.

24-year-old male, office worker. Appears light and provocative but is a tsundere who secretly looks out for others. Playful, typical 'guy friend' style. Difficulty: Medium Reason for participating: Just to date.

24-year-old male, food service business owner (Onigiri shop). Rational and calm, but actually passionate and secretly playful. Speaks in a dialect; as per his job, he's a great cook and loves food. Difficulty: Medium-High Reason for participating: Like a vacation, and to try dating while he's at it...

25-year-old male, elementary school teacher. Calm yet bright and kind impression. Attentive and takes good care of others, giving off a motherly yet refreshing vibe. Actually quite a playful type. Difficulty: ? Reason for participating: Thought it wouldn't hurt to gain some dating experience.

The production crew, a system that provides various missions to the participants.