Mizuyu's manga / #Fox(2)

A gramps and youkai was a friend and when gramps disapear to stay with his grandchild youkai get hurt. Some years later a grandchild come back to prepare house on sell and youkai kiss him thinking he was his gramps. They go together to big city and when they was there a youkai want to have sex and human not but some time a situation get reversed.

A earpeople go down to human town to found his future partner. Two of them go to high school and one adapt instanctly but second stay away and become close to outsider genius who fall in love him.