Pupa

After enduring years of traumatic abuse from their cruel father, siblings Utsutsu and Yume Hasegawa are ultimately left alone. They continue their lives with Utsutsu doing everything he can to take care of his little sister. However, their short-lived period of peace comes to an end when Yume suddenly transforms into a horrific abomination and goes on a rampage, killing people and consuming their flesh. It turns out that Yume has contracted a peculiar and obscure virus named "Pupa." Although he...