Sumika sumire

Sumi Kisaragi is 65 years old single woman who has never had a boyfriend. She has been taking care of her parents and grandmother all this time, without knowing true love. One day, her mother passes away, leaving her all alone. Sumi meets a cat named Rey, who fulfills her desire to become a 20-year-old girl again and experience a wonderful feeling of love. How will Sumi use her second chance?