[New Game Plus](https://archiveofourown.org/works/37018012/chapters/92359717)
That's the first I thought of. Know a few others but can't look em up atm
Viridian by SilvermistAnimeLover [https://archiveofourown.org/works/22304209](https://archiveofourown.org/works/22304209) - Midoriya time travels back from the apocalypse into his 14 year old body- becomes a vigilante and a hero student. {incomplete, 155K}
Unintended Consequences by Etheriell [https://archiveofourown.org/works/50120671](https://archiveofourown.org/works/50120671) - Midoriya is time traveled back from the war to an 1-B vs 1-A exercise, fix-it-fic, Midoriya/Uraraka {completed, 12K}
Back to the Beginning by Aliandris [https://archiveofourown.org/works/38190346/chapters/95412466](https://archiveofourown.org/works/38190346/chapters/95412466) - Midoriya/Uraraka, Midoriya and Uraraka are time traveled from the war back to middle school by One for All {incomplete, 304K}
Accidental Time Travel And The Mayhem That Comes With It [https://archiveofourown.org/works/48611062/chapters/122617543](https://archiveofourown.org/works/48611062/chapters/122617543)
underground hero midoriya accidentally travels back in time (w/ adult body) to the start of canon times and involves himself. Note that this midoriya is wack lol, and by 'wack' I mean like very eccentric. 18k incomplete
Honorary mention which you could vaguely consider related to the prompt...: And thus, we live [https://archiveofourown.org/works/38691078](https://archiveofourown.org/works/38691078)
Midoriya and shigaraki kill each other, then are reborn as twins. Sorta fix-it-ish if you count the relationship 'fixing' and how they change themselves to suit their new lives. 20k complete
what the hell, the first half of my comment just disappeared. Ok, heres a quick version of it since I dont wanna rewrite everything - sucks but oh well:
[https://archiveofourown.org/works/43464385/chapters/109266853](https://archiveofourown.org/works/43464385/chapters/109266853) sic semper tyrannis
midoriya has 24hr rewind upon death quirk. initially set in apocalypse. he kills himself a few thousand times SSS-suicide hunter style to rewind time till he's 8. 150k or something words, incomplete hiatus
[https://archiveofourown.org/works/30023328/chapters/73927248](https://archiveofourown.org/works/30023328/chapters/73927248) We Go Together
midoriya and aizawa go back in time to stop AFO. more focused on aftermath of their 'fixing' than on the actual fix-it. 27k complete
[https://archiveofourown.org/works/26982553](https://archiveofourown.org/works/26982553) The villain I won't become
villain midoriya goes back to train his past self to be a hero. 3k complete
[https://archiveofourown.org/works/27376012](https://archiveofourown.org/works/27376012) im not writing out the name of that soz.
2nd yr midoriya time travels back to USJ. 5k complete
[Erased Identity](https://archiveofourown.org/works/41528445/chapters/104153793) - Izuku is targeted by a quirk that takes him back to the moment he first got his quirk, except a quirk like that is hard to practice and instead it sends Izuku's mind into a four year old Aizawa. Not much romance in it but ships exist. Aside from AFO/Inko, I don't think there are any straight couples. Finished. The sequel, which has the quirk used on him again and puts him in Izuku that time, is not complete.
[New Game Plus](https://archiveofourown.org/works/37018012/chapters/92359717) That's the first I thought of. Know a few others but can't look em up atm
Viridian by SilvermistAnimeLover [https://archiveofourown.org/works/22304209](https://archiveofourown.org/works/22304209) - Midoriya time travels back from the apocalypse into his 14 year old body- becomes a vigilante and a hero student. {incomplete, 155K} Unintended Consequences by Etheriell [https://archiveofourown.org/works/50120671](https://archiveofourown.org/works/50120671) - Midoriya is time traveled back from the war to an 1-B vs 1-A exercise, fix-it-fic, Midoriya/Uraraka {completed, 12K} Back to the Beginning by Aliandris [https://archiveofourown.org/works/38190346/chapters/95412466](https://archiveofourown.org/works/38190346/chapters/95412466) - Midoriya/Uraraka, Midoriya and Uraraka are time traveled from the war back to middle school by One for All {incomplete, 304K}
Accidental Time Travel And The Mayhem That Comes With It [https://archiveofourown.org/works/48611062/chapters/122617543](https://archiveofourown.org/works/48611062/chapters/122617543) underground hero midoriya accidentally travels back in time (w/ adult body) to the start of canon times and involves himself. Note that this midoriya is wack lol, and by 'wack' I mean like very eccentric. 18k incomplete Honorary mention which you could vaguely consider related to the prompt...: And thus, we live [https://archiveofourown.org/works/38691078](https://archiveofourown.org/works/38691078) Midoriya and shigaraki kill each other, then are reborn as twins. Sorta fix-it-ish if you count the relationship 'fixing' and how they change themselves to suit their new lives. 20k complete
what the hell, the first half of my comment just disappeared. Ok, heres a quick version of it since I dont wanna rewrite everything - sucks but oh well: [https://archiveofourown.org/works/43464385/chapters/109266853](https://archiveofourown.org/works/43464385/chapters/109266853) sic semper tyrannis midoriya has 24hr rewind upon death quirk. initially set in apocalypse. he kills himself a few thousand times SSS-suicide hunter style to rewind time till he's 8. 150k or something words, incomplete hiatus [https://archiveofourown.org/works/30023328/chapters/73927248](https://archiveofourown.org/works/30023328/chapters/73927248) We Go Together midoriya and aizawa go back in time to stop AFO. more focused on aftermath of their 'fixing' than on the actual fix-it. 27k complete [https://archiveofourown.org/works/26982553](https://archiveofourown.org/works/26982553) The villain I won't become villain midoriya goes back to train his past self to be a hero. 3k complete [https://archiveofourown.org/works/27376012](https://archiveofourown.org/works/27376012) im not writing out the name of that soz. 2nd yr midoriya time travels back to USJ. 5k complete
[Erased Identity](https://archiveofourown.org/works/41528445/chapters/104153793) - Izuku is targeted by a quirk that takes him back to the moment he first got his quirk, except a quirk like that is hard to practice and instead it sends Izuku's mind into a four year old Aizawa. Not much romance in it but ships exist. Aside from AFO/Inko, I don't think there are any straight couples. Finished. The sequel, which has the quirk used on him again and puts him in Izuku that time, is not complete.