 If you liked
Diamond no Ace
|
 ...then you might like
Boku no Hero Academia
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Despite one being a sports anime and the other being a superhero anime, both depict main characters who are persistent diamonds in the rough. They also both feature a rivalry between the seemingly weak main character and a side character of the same age who is super talented and skilled (Sawamura v Furuya, Midoriyama v Bakugo).