Saiyan Duo

Izuku was born into the son family and his ki was way stronger than theirs combined with god ki, and vegeta has another daughter name momo briefs her ki is also the same as izuku's so the Goku and Vegeta are very proud to train them to become stronger. At age of 4 izuku and momo became really really close and Vegeta did all of his power to scare him away but then both of them teleported to a new world where quirks existed and midoriya family found them both in public so they take them and raise them like their own. Years by izuku and momo became a couple and a adopted daughter Eri after that izuku and momo became the legendary super saiyan after the story when Eri told them about overhaul they were pissed so they let their rage out of them transform into a super saiyan, after everything was calmed down they made friends with class 1a, and 1b. Todoroki sister fuyumi likes izuku every time she's see him blushes at him and shy, until mei hatsune made a portal to send them back to their time all of them where saddened but the rat god made a suggestion to take them with but without any thoughts all of them immediately pack their things and went with them mei made a portal gun to bring them back if they want to and their journey of going back will be hell of reunion they cannot wait.

disclaimer I do not own my hero academia nor dragon ball

this is a fanfiction story