 If you liked
Kono Oto Tomare!
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 ...then you might like
Hikaeme ni Ittemo, Kore wa Ai
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Delinquent boy x Perfect girl trope.
The primary focus in kono oto tomare isn't romance though- it's music (koto). It's one of the best manga to exist because the storytelling is amazing and both mls and fls are written well.
Hikaeme is a fuzzy and cute romance story with likeable characters