If you liked
Good Luck
|
...then you might like
Waraenai Riyuu
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Both main girls are closing themselves off from others because they believe their presence is bad for them (in Good Luck it's because she thinks she causes misfortune, in Waraenai Riyuu it's because she thinks she's so hideous looking at her face will cause others discomfort) and there's a guy around who's making an effort to change them.