Sukkuto Kitsune

This is a strange place where monsters gather. From the moment she jumped over the torii gate with the Seven Forest Samurai, the girl stepped into the dark world ... A unique hyper-occult romance!

Mika, along with her best friend Yuzuru, becomes embroiled in the world of the supernatural when Tonau, the fox deity of Nanatsumori Shrine claims her as his bride.

source: mangaupdates.com/series/lbtyo41/sukkuto-ketsune