Momota Kaito

Kaito is a tall teenager with distinctive, upward-pointing purple hair and a small goatee of the same color. He wears a dark purple trench coat with a space-themed lining over his shoulders, a white t-shirt featuring a red stylized mask, and light purple pants. His unconventional footwear consists of purple slippers adorned with a starry galaxy print.

Optimistic, passionate, stubborn, loyal, charismatic, heroic, and emotional.

Ultimate Astronaut

Kaito earned the title of Ultimate Astronaut by becoming the first teenager to ever pass the astronaut exams, though he achieved this by forging his documents to bypass age and education requirements. Despite his deception, his natural talent and charismatic personality convinced the examiners to allow him to remain as a trainee. Throughout the killing game, he serves as a motivational leader and mentor, famously adopting the title 'Luminary of the Stars.'