Hiiro (ヒイロ) is a main character in That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond, voiced in Japanese by Yuuma Uchida. The series' music includes "Tensura The Movie - Scarlet Bond Full Song STEREO DIVE FOUNDATION INSERT", "Tensura The Movie - Scarlet Bond Full Song STEREO DIVE FOUNDATION INSERT".
