He is the male lead. He is a teenager with the ability to transform into a giant Kigurumi with a powerful functional oversized revolver on his belt and a spine zipper that, when opened, allows others to enter inside his empty body, increasing physical abilities. and mental of both. When transformed, Shuichi acquires the physical abilities of a human at maximum levels of fitness, strength, and stamina, and when combined with a partner inside of him, his abilities become superhuman