I'm slaying demons in the anime

Beichen Xiao traveled to the world of Zongman, he has a sister and a house, his parents are both dead, he is a standard protagonist template
Just when he thought he could live a peaceful life.
The Higurashi Shrine next door, as well as Yotsuya Miko, Mizuka Shizuka, Mizaki Mei and Tomie, broke his fantasy of a better life.
Beichen Xiao said that he could no longer understand this world.
Facing the demons and monsters outside the shrine that were greedy for his body.
In that case, if you can't beat them, join them.
Dragon Sword Boy, start!