OK I know there are a lot of stories on here about naruto x my hero academia but I wanted to do my take on this so bare with me on my journey I will be giving izuku 3 or 4 types of the Mangekyou Sharingan from the Uchiha clan and all five of the nature transformations. Ok now on to the 4 Mangekyou Sharingan
That izuku will unlock but first the three levels of the sharingan
That you can track its progress by its tomes
The 1 tome sharingan allows the user to perceive motions.
The 2 tome sharingan allows the user to percieve motions as well as be able to copy the motions perceived.
And the 3 tome sharingan allows the user to perceive motions, copy the motions perceived and predict motions.
As you can see these are the 5 basic nature transformations minus yin , yang and Yin yang releases
And I'm thinking about a 6 girl harem the ones from class 1 a so ill look into it.
Izuku will have the 9 tailed beast and sauske ,itachi and obitos sharingan abilities if you don't know about it then look it up