Yuusha no Kuzu

In a modern society where "Demon King Transformation Surgery" has become rampant, wealthy gangsters undergo surgeries to become powerful "Demon Kings," and the business of killing them has been legalized, creating a class of government-sanctioned "Heroes."

Yashiro, a low-life hero who loves beer, pizza, and card games with friends, encounters three high school girls aspiring to become heroes. Tempted by the money, he agrees to become their tutor, only to find himself entangled in a series of dangerous and chaotic incidents.