Hideo Suzuki is a mangaka who has never managed to break through and at thirty-five years old he is still relegated to the role of assistant. Between failures, disappointments and the strange love story with his girlfriend Tetsuko, Hideo's life is struggling waiting for a success that never seems to arrive. However, a big change is lurking for him: a dark and sinister turn, which will drag the entire world into a spiral of horror and will force Hideo to roll up his sleeves and become... a hero!