 If you liked
Seto no Hanayome
|
 ...then you might like
Clannad
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The boy meets the girl and both of their lives changes slowly. as their relationship deepens. They mature and their personalities changes. Both series has mostly romance and comedy, but Clannad focuses much more on romance than comedy and vice versa for Seto. Setting are rather similar, as both are set in a school. Also there is everyone favorite, harem.