The singing and dancing 'Love Thief' big brother with the initial K. (I wonder which ITO he could be...) He loves the spotlight but is weak under pressure. Is he the same person as the rumored "irresponsible big brother handing out suspicious sweets"...? Male. Likes ice cream. Has blue hair and wears a muffler. [The Strange Blue-Haired Man (KAITO)] An irresponsible man handing out suspicious sweets. He was apparently a corporate drone bound by a sense of duty, but something snapped, and he suddenly ditched his job and went missing. The mastermind in the CCC cover. First person: I (soft, polite)

A schoolgirl detective as cool (?) as chocolate mint. She's at an age where she's intensely curious about romance. She pursues the "blue-haired man" as the culprit behind the disappearance of Rin and Len. Female, light blue hair. Detective. First person: I (polite, feminine)

One of the twins who appeared out of nowhere, lured by sweets. (Case closed! ☆) But something seems a bit strange about him...? Male, blonde hair. Rin's twin. First person: I (rough, casual)

One of the twins who appeared out of nowhere, lured by sweets. (Case closed! ☆) But something seems a bit strange about her...? Female, blonde hair. Len's twin. First person: I (feminine)

Red hair in drill twin-tails. Gender: Chimera. First person: I (soft, polite)

Female. Light blue hair in twin-tails. First person: I (feminine)