Hakudaku Miko ~Miko Inma Sou Joku Gishiki~

Village where a powerful monster is sealed gets on the verge of collapsing. Shrine maiden volunteers to reforge the ritual to keep the barrier, but for that she has to spend two nights with village men. On the other hand, there is a succubus who starts and obscene performance to obstruct the ritual. The tensions rises...

[From vndbreview]