I'm looking for a manga where the girl "tames" a guy. He was mean and violent before, but he mellowed out when she still stuck with him. Younger/new students don't remember or know how bad he was...until they break up and some other girl tries to be his gf. Oh and I think they get back together.

Thanks!!

Are you looking for a specific manga or suggestions? If the first one , do you think you can give more details? Every bit helps.

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If you're just looking for suggestions, you might want to check out Beast Master

This plot is kinda common but anyway maybe Tonari no Kaibutsu-kun