Hideo Shimada

Driven by a desire to integrate into human society, this unique Parasite inhabits a teenager's body and enrolls in Shinichi’s high school. While seeking a friendship with a skeptical Shinichi, he struggles to suppress his predatory instincts, occasionally resorting to lethal violence against bullies. His attempt at a peaceful life unravels when his identity is exposed, triggering a desperate killing spree that ultimately leads to a fatal confrontation with Shinichi and Migi.