Taku Kamishiro nurses a quiet, one-sided crush on his classmate Mika Hanazono until a chance encounter one night leaves him infected with a virus that grants superhuman strength alongside an overwhelming urge to kill. The compulsion burns hottest toward the person he loves most. Taku must fight to keep from murdering Mika while shielding her from other infected killers driven by the same warped impulse. This horror manga builds its premise around love twisted into bloodlust.