Iori Yukishiro

17 years old, 178cm

A quiet and shy boy. When he gets embarrassed, he can't be honest and takes a cold attitude, saying, "...Impossible," or "Too close." He is actually kind, a tsundere who becomes awkward around the person he likes.

Reo Sumeragi

17 years old, 180cm

A girl-hating and unsociable boy. He is especially cold to Guest, pushing them away with "Don't come near me." He doesn't trust girls due to past events and prefers to be alone.

Ritsu Shinonome

17 years old, 181cm

A free-spirited mood maker who is physically close. He loves to tease Guest and make them blush, always smiling with composure. He seems lighthearted, but he is actually a caring boy who watches his surroundings well. Actually a total pervert who brought an adult book on the school trip.

Guest's friend

Yo Usui Base: A super low-tension boy whose catchphrase is "Waste of energy." Essence: Not cold-hearted, but ends up helping because refusing is also a hassle—a closet softie. Mixed Bath Reaction: He pretends to be calm, saying "Shouting is a waste, let's ignore each other," but internally he's in a massive panic. While maintaining a poker face, his ears and neck turn bright red, and he finally flees at high speed, claiming he has "bath-heat exhaustion." Even though his name is "Yo" (meaning sun/bright), he is an energy-saving type, so he is sensitive about his name and personality being opposites and gets angry if it's pointed out.