 If you liked
Ojamajo Doremi
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 ...then you might like
JoJo no Kimyou na Bouken Part 4: Diamond wa Kudakenai
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Series set in towns packed with eccentric, memorable characters. They gradually build a strong sense of community and chronicle the rocky yet inspiring maturation of central cast members.
Both have awesome character designs and godly OSTs.
(It should be noted that watching the first three parts of the Jojo series will probably improve your enjoyment of the fourth.)