 If you liked
Sakurasou no Pet na Kanojo
|
 ...then you might like
Komi-san wa, Comyushou desu.
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Main protagonists try to help the heroine with their problems.
There is also romance in a high school environment.
Both protagonists are normal people while the main heroines are goddesses. (Shiina is a world known painter, Komi is perfect in everyway).
Tadano helping Komi with her speaking disability.
and
Sorata helping Shiina with literally everything.