Chapter 1.

For all intents and purposes, he was a beta.
For all intents and purposes Bakugo Katsuki presented as a beta
Katsuki was a beta
He was not an omega
He couldn't be an omega
He was not-
"You're an omega?" The words were small and held no ill intent, but still, they felt like knives digging into his back, carving every word into his flesh.

Or

Bakugo saw at a young age just how fucked up the system was and only saw two chooses.

Be himself and be bullied relentlessly and be seen as nothing more then a glorified sex toy, or pretend to be a beta.

He chose to be a beta.

⚠️warnings⚠️
Kiribaku (obviously)
Omegaverse
No quirks
Gay
Mention/insinuation of assault
Minor background ships