Plenty of memories exists in Okko’s Inn, the animated adaptation of the novel 若おかみは小学生！This anime offers a lot of interpersonal drama for the titular character and it often comes across in a slice of life style narrative than anything else.
She is an innkeeper in training. At a young age, she has a lot to deal with. After a car accident which killed her parents, to which she miraculously survived, she is off to live with grandma and play with ghosts. These spirits are friendly, if not a little mischievous.