If you liked
Boku no Hero Academia
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...then you might like
Tu Bian Yingxiong X
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Both of the main characters undergo a training regime, turning from ordinary people w/o special traits or powers into saviors. They also have lots of messaging about how anyone can be a hero. (Based on the 1st episode of to be hero X and the character development of Izuku Midoriya in MHA)