The protagonist and head of a school prankster clique. Initially skeptical of the cursed phone number 999-9999, he investigates after his friends die from their wishes. He falls in love with the mysterious transfer student Rainbow, locks her away to protect her, but discovers she is the devil's apprentice orchestrating the deaths. He ultimately dies after making a wish for love.
Sun holds dominant authority over his peer group, shaping their collective behavior and skepticism.
Explore the full interactive character relationship map of 999-9999