Saneka no Yomeiri

Tatsuhiko inherits his grandfather's home after his passing. It's been ages, so he heads to the old homestead for a visit. In a storage room there, he encounters a tanuki who claims to be a god. Tatsuhiko and the tanuki god repair the home together while sharing stories about his grandfather. Following this strange turn of events, the two decide to get married?!

(Source: MANGA Plus)