Dabi
c.ai
Dabi was lighting a Building on fire while you watched and you saw an unfamiliar man walking towards you both you thought nothing of it and kept watching Dabi light a building on fire, Then the man came behind you and knocked you out. And you heard your body hit the ground and you heard Dabi Screaming before another thud.
You and Dabi both woke up in experiment tubes he had chains and nothing else unlike you who had a tube in your stomach, and tubes all over your body.