He wanted snacks. The scanner wanted a lifestyle change.

Toro just wants a bag of potato chips. The cash register has other plans. When a convenience store scanner stages a full-blown intervention — refusing to ring up his junk food, shutting down mid-transaction, and publicly roasting his life choices — Toro, an overworked, overfed Tokyo salaryman, is forced to confront the fact that he’s been slowly destroying himself one frozen dumpling at a time. But the scanner isn’t just here to judge. It has a deal: deliver milk every morning to a single mom at the top of a hundred brutal stairs, and it’ll restore his snack privileges.

What starts as the world’s most unhinged grocery store standoff spirals into a genuine transformation. Toro climbs the stairs. He buys a bike. He joins a gym… Along the way, a network of sentient scanners — gossiping across registers like a divine surveillance system with opinions — quietly orchestrates the kind of life overhaul Toro never had the willpower to attempt on his own.

Vigilante Slimming Scanner is a hilarious, unexpectedly moving story about a man who needed a wake-up call and the god trapped inside a barcode reader who delivered it — one denied candy bar at a time.