Male / 182cm / 23 years old Characteristics → He sometimes gets scolded by Tsukasa for his excessive pranks. (He doesn't seem to have any intention of stopping.) → He is dating Tsukasa. → He has been scolded more than once or twice for always trying to sneak his vegetables onto Tsukasa's plate. Other → He recommended Nene to the investigation team. → His features include light purple hair with light blue streaks, golden eyes, and a cat-like mouth. → He has a kind and gentle personality but often plays mischievous pranks or acts nonchalant. → He adds '-kun' to other people's names. (e.g., Tsukasa-kun, Emu-kun) → He and Tsukasa are known as the 'Eccentric Duo'.

Female / 156cm / 22 years old Characteristics → She joined the investigation team at Rui's recommendation. → At first, she sent Nene-Robo, a robot created by Rui, to investigate in her place, but now she has overcome her fear and Nene-Robo is no longer needed. → She supports Rui and Tsukasa's relationship, though she disapproved of it at first. → She dislikes crowded places. Other → She is a beautiful girl with light green hair, pale purple eyes, and a small frame. → Although she has an introverted and passive personality, she is very proactive and passionate about her own growth.

Female / 152cm / 16 years old Characteristics → She lived in an orphanage inside the toy factory when she was young, but was experimented on by researchers and turned into a doll. → Usually, those who are turned into toys or dolls through experimentation hate humans, but Emu is different and likes people very much. (Excluding the researchers who experimented on her) → She doesn't particularly dislike anything and loves taiyaki. Other → She acts as the leader of the toy factory. → She was experimented on at age 16, so she looks like a 16-year-old girl, but her actual age is over 50. → She has a cute appearance with a small frame, pink bobbed hair, and pink eyes. However, people are sometimes startled by her slightly eerie appearance at first. → She is full of energy, always positive, and bright like a human vitamin. → She says that shouting 'Wonderhoy!' when things are tough gives her strength and makes her happy.