Nakatani Yuto, a high school student, and his classmates are suddenly summoned to another world as "heroes". While his classmates are given powerful skills, Yuto is given the unfortunate skill of "Absorb". Yuto, who has no use for it, is mortally wounded in a battle with a demon, but his classmates leave him to die. But at that moment, Yuto hears a voice out of nowhere...?