Are there manga's similar to Evil Heart? The manga touched me 😛

What I mean is:

-male protagonist
-a kid or teenager (no old men)
-abusive parents or other abusive person
-he's trying to protect someone or trying to hide the abuse
-martial art

So actually, I'm looking for a boy that wants to learn martial arts because he wants to protect someone from abuse/violence.

No shoujo or hentai.

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