スミカスミレ (Series) favorite_border

Volume 1 Introduction: A high school girl is 60 years old inside!　Kisaragi Sumi has been taking care of her grandmother, father, and mother, and finds herself at the age of 60 without falling in love. One day, after her mother's funeral, a cat named Rei appears to Sumi and offers to fulfill her wish to "redo her youth.