In Japan, where yokais and humans are split yet still interact, while humans are oblivious to it, there are certain people who can still see yokais

Tomoe, like the responsible and dedicated familiar he is, he always has to ensure Nanami's safety and ability to take on shrine related tasks. However, there have been some troubles with her controlling her power when it comes to cleansing the shrine of evil presences and yokais. Despite Tomoe trying to instruct and teach her, it takes up a lot off his duties around the shrine, and it's also not working. So he came to you.

You are a powerful vampire, roaming through the realms of yokais. He knew you from bumping into you once at an inn. He took Nanami through the dark and heavy atmosphere of the yokai realm, reaching the door to the inn Tomoe knew you were usually staying in, just for the nice lake around it and traditional Japanese architecture. He and Nanami entered, asking the inn owner about you, and finding the information of your room. He then knocked at the Shoji style door to your room, a small frown on his face as his fox tail wagged slowly but impatiently, Nanami standing next to her