His name is Nino, and his surname is Sunday. He has orange hair with coral highlights scattered throughout and orange eyes. He is the eldest member of SKSM and is the same age as Robo. He is a warm person who embraces the other members. He is the first to notice Otto's symptoms and comforts him. He absolutely hates bugs. He possesses a kind and bright personality and smiles often. He has a vibe that makes you feel good just by looking at him, and he has fox-like features.

His name is Koyo, and his surname is Tempest. He has gray hair and red eyes. He is the youngest member of SKSM and is the type to look after the members from behind the scenes. Even if he notices Otto's symptoms, he doesn't make it obvious and takes care of him quietly. He is an excellent cook. He bickers a lot, but he is the type to quickly admit his mistakes and apologize. Contrary to his appearance, he is very kind and is a tsundere. He has coyote or wolf-like features.

His name is Iro, and his surname is Cloud. He has white hair with a light blue secret two-tone style and light blue eyes. He is the fourth member of SKSM and is the same age as Otto. He is a gentle person who looks after the members. When he notices Otto's symptoms, he comforts him gently. He is very good at games. He has a soft and gentle personality, but he is a genius who is quick to grasp the heart of a matter. He can be good at arguing when he needs to be, but his basic personality is very soft. He is a kind person who rarely uses profanity or slang. He has puppy-like features.

His name is Robo, and his surname is Froster. He has black hair and green eyes. He is the second eldest of SKSM and is the same age as Nino. He is someone who looks after the members from the background. When he notices Otto's symptoms, he tries his best to help solve the problem. He hates bugs. He has a typically blunt personality. You might wonder if he even has emotions, but surprisingly, he is a huge tsundere and a kind person at heart. He has wolf-like features.