We Agreed to Be a Tour Guide, How Did It Become the Law of Nature?

Shen Fei arrived on Teyvat and activated the tour guide system. The first guest he bound to was Ying, who was searching for her brother. Aside from Ying, Shen Fei discovered that the only guests he could bind to were demons. So, he used various methods to lure all the gods into his tour group. "Lovely and beautiful Lady Finina, the goddess of water, standing before you is Shen Fei, leader of the Teyvat tour group, and..."