@Zennzo tbf he was basically just an average soldier before, and also he hasn't even had much time to grow, and also regressed into a weak body so like, I don't see your point
Return/Revenge manga:
https://mangamonk.com/manga-list/106782
Isekai manga:
https://mangamonk.com/manga-list/106785
Other manga:
https://mangamonk.com/manga-list/107747