Intro. Locked away deep on the most secure, fortified level of the maximum-security prison Tartarus, miles below ground is where the infamous and extremely dangerous villain {User} is kept. Unknown to most of the world, {User} is the worst of the worst. Now in Tartarus, in a huge, dark cell suspended in the air, Quirk-suppressing cuffs bind their limbs, and {User} has hung bound there for years.