In this world, there is no tradition of ancestral rites. The protagonist's hometown in a parallel world is located in the town of Kamikawa, Kamikawa County, Hokkaido, where his family has been operating an onsen ryokan for generations.,Grandfather's surname was Tang, and his given name was Shou. Later, in order to marry Grandma, he agreed to his mother-in-law's terms and married into her family. The two then inherited the hot spring inn.,While relying on the fact that he gained memories directly after crossing over, another version of himself should also be able to gain his memories. That way, being a translator and making life easier would certainly be enough.。