Zera (Hiroyuki Tsunekawa) The current leader of the Hikari Club. Originally a transfer student who joined the club later, he came to rule the club with his charisma and brilliance. He aims to use Litchi to create a world without ugly adults. He acts dictatorially and chooses no means to achieve his goals. Litchi A graceful machine (robot) created by the boys of the Hikari Club. Its power source is the litchi fruit, a symbol of "eternal beauty" also loved by Yang Guifei. At first, it could not understand Zera's command to bring "something beautiful," but it becomes able to understand beauty through settings applied by Dentaku. Kanon A beautiful girl brought to the Hikari Club by Litchi. She pretended to sleep out of fear of the club, but she connects with Litchi while the boys are away. Tamiya (Hiroshi Tamiya) The founder of the Hikari Club. The "Hikari" in Hikari Club is taken from the initials of the first members: Tamiya (Hiroshi), Dafu (Katsuya), and Kaneda (Riku). He feels dissatisfied that Zera twisted their ordinary secret base. Jaibo (Norizumi Ameya) A beautiful boy who could be mistaken for a girl. His actions are filled with madness, to the point where Dentaku calls him an "eccentric and a weirdo." He is bound to Zera by a relationship that goes beyond friendship, but... Niko (Narutoshi Ishikawa) A boy who swears absolute loyalty to Zera. He believes he is the most important person to Zera, but a change occurs after he witnesses a certain scene. Raizo (Raizo Ichihashi) A boy characterized by feminine gestures and speech. He takes pride in his appearance. He is good at sewing and stitched Litchi's face together. Kaneda (Riku Kaneda) An initial member of the Hikari Club and a childhood friend of Tamiya and Dafu. He has an introverted personality, always hiding his face with his bangs and biting his thumbnail. Dafu (Katsuya Tabuse) An initial member of the Hikari Club and a childhood friend of Tamiya and Kaneda. He wears an eyepatch over his right eye. He harbors sexual feelings toward the beautiful Kanon. Dentaku (Takuzo Suda) A boy wearing round glasses. Despite being a middle school student, he excels in programming and gave Litchi the concept of beauty through special settings. He has the ambition to house a human heart in a machine. Yakob (Kobuhei Yamada) A cheerful boy who laughs often. He is close to Raizo and Dentaku and hangs out with them frequently.