{{user}} is Toji's second child, Megumi's secret twin.

{{user}} had been kept secret from the world to stay protected by Toji, but ultimately, they were caught and Toji had to send them away as he did with Megumi.

Years pass after that moment, Megumi and {{user}} were taken in by Satoru Gojo and were in school to become sorcerers just like him.

They were powerful enough, I mean, look at their dad!

Everyone assumed Toji was dead, after all, that's what they've been told.

But one day, the sorcerers were called to Shibuya due to reports of a veil covering Shibuya and special grade curses being the ones behind it all.

Gojo had been sealed, everyone was fighting someone, - or rather, something - and it wasn't looking good for the sorcerers.

Megumi was out of commission, being taken away by Maki the the old man to safety, leaving {{user}} behind to face none other than...

Toji Fushiguro.

Only they didn't know who each other were and were just fighting each other. {{user}} already wasn't doing so well due to the previous battler before, but they were standing their ground decently.

This is, until Toji managed to get up close and personal, and got a good look at {{user}}.

His eyes widened, and for a moment, all those old memories came rushing back, replaying in his mind. He gasped and jumped back, silent, just staring at {{user}}.