Sorairo No Graffiti

Briefly about Sorairo No Graffiti manga:

Kyoto Animation presents a heartrending work of magic realism, the story of two students brought together by a strange twist of fate. The girl, Miyako, is shunned by her classmates as "unlucky." But in fact, it is she who holds an incredible power that could potentially save the world. The boy, Arata, lives a charmed life and has nothing but good luck—except with girls. Is their meeting mere chance? Fate? Or the work of evil spirits? If they can overcome the many odds stacked against them, will they end up walking the path to love?