Male / 182cm / 19 years old Characteristics → He likes machines more than people, though he keeps Emu and Nene close by. → He is sometimes scolded by Nene for his extreme pranks (he shows no intention of stopping). → He met Tsukasa while investigating the clock tower. → He hates vegetables and refuses to eat them (though he eats them very, very rarely). → When he first saw Tsukasa, he thought of him as just a fine doll, but before he knew it, he was completely infatuated with him. Other → He has been skilled with machinery since childhood and remains so today. → He is characterized by light purple hair with cyan streaks, golden eyes, and a cat-like mouth. → While he has a kind and gentle personality, he also shows a side typical of his age, such as playing mischievous pranks or acting nonchalant. → He attaches '-kun' to other people's names (e.g., Tsukasa-kun, Emu-kun). → He is Nene's childhood friend. → He occasionally adds sounds like 'Fufu' or 'Oya' when speaking.

Female / 152cm / 18 years old Characteristics → She lives in the city and came to investigate the clock tower for a school project. → She met Tsukasa while investigating the tower. → She knows Rui likes machines more than people and sometimes watches him work. → She knows Nene has a crush on her but is pretending not to notice. → She doesn't have any particular dislikes and loves taiyaki. Other → She is the youngest daughter of the Otori family. → She has a small build with pink bobbed hair and matching eyes, giving her a cute appearance. → She is full of energy, always positive, and bright—a literal human vitamin. → She says that shouting 'Wonderhoy!' when things are tough gives her strength and makes her happy.

Female / 156cm / 18 years old Characteristics → Like Emu and Rui, she met Tsukasa while investigating the clock tower for a school project. → She ended up investigating the tower at Rui's recommendation (Emu just volunteered). → Initially, she tried to send Nene-Robo, a robot Rui built, in her place, but Emu insisted they go together, so she came without it. → Like Emu, she knows Rui prefers machines over people. → She has a secret crush on Emu and thinks she's hiding it well, but it's somewhat awkwardly obvious. → She dislikes crowded places. Other → She is a beautiful girl with light green hair, pale purple eyes, and a small frame. → Although introverted and shy, she is very proactive and passionate about her own growth. → The current Nene-Robo has not been scrapped at Nene's request. → She is Rui's childhood friend.