Kamigami no Asobi: Ludere deorum

Summary

The story revolves around heroine Yui Kusanagi, who is ordered by Zeus, a god and the headmaster of a school he created, to teach the meaning of love to young and handsome gods. The reason he has for doing this is to cancel the negative effects of the weakening bond between the world of the divine and the world of the humans.

(Source: Anime News Network)