Rantarou Amami is a student in the game 'Danganronpa V3: Killing Harmony,' part of the Danganronpa series. He is introduced as the 'Ultimate ???' due to his unknown talent at the beginning, which adds to his mysterious persona. Amami is calm, insightful, and has a composed demeanor. Throughout the game, he tries to uncover the truth behind the killing game and supports the other students, making him a pivotal character in the early part of the story.