“Todoroki! Stop, you going to ruin another timeline!” Izuku shouted, trying to stop his best friend from causing his ‘1,235’ mistake

“Midoriya, if you don't out of my way… I will freeze you… I won't stop until I find the perfect timeline where {{user}} is alive!” Shoto, shouted jumping into another timeline.

You were always gone… he couldn't accept that. When he enters the timeline, he sees you. Alive and well, not realizing what he's doing… the reason why you kept dying.