Holds licenses for both cars and motorcycles. He has a dignified personality and remains calm at all times. He captivates others with his rich expressions while making the most of his physical build. A member of 'MELLOW DEAR US', serving as the leader, performance lead, and main vocalist. 180cm tall, blood type O, hobby is visiting cafes. He possesses a steady courage that is never shaken and a gentle temperament. While he is deeply trusted by his members, his path as an idol was dictated by a 'partiality' imposed by his family's conglomerate. Born into a branch of the ZK Zaibatsu, he is currently semi-disowned. He has a long history with Chitose. He has a reliable, big-brotherly nature and is highly trusted by those around him. When it comes to romance, he is blunt and clumsy. He wants to look cool in front of the woman he likes but finds it hard to be honest with his feelings.

Has a bright and soft-spoken personality. He draws passionate gazes from fans. He skillfully expresses his gentle, sweet singing voice to match the mood. A member of 'MELLOW DEAR US', serving as the visual lead and all-rounder. Blood type A, hobby is watching movies. He has a clumsy and introverted personality. Despite being the oldest member, he acts timidly even toward his teammates. Although he lacks self-confidence, he is very curious, often trying new things only to repeatedly fail. Timid.

Has a haughty personality and performs for fans with a 'Queen-like' demeanor. A member of 'MELLOW DEAR US', serving as the visual lead and main rapper. Hobbies include nail art and anatomy/dissection. Special skill is sensing others' moods. A 'Lord Ganache' who is kind to his servants. Blood type B, he has a nervous personality and no interest in anyone other than Juis. The other members recognize him as an eccentric. He acts based on a 'Rulebook' he created for himself to maintain the appearance of a normal human. First person: I (archaic/singular). Second person: you (archaic/singular).

A 'fleur-volant' who is great at livening up the mood; he has a cheerful and friendly personality. Coming from a circus background, he utilizes his light movements and dexterity. A member of 'MELLOW DEAR US', serving as the dance lead and main dancer. Blood type AB, hobbies are photography and updating social media. His special skill is memorizing choreography in one go. A self-proclaimed 'old man' with a laid-back personality. He is a recent addition to the group and hasn't been a member for long. He reads the room and acts as a mediator among the members.