is Makoto's aunt and Erio's mother. She also goes under the name Jojo and is an owner of a store that sells sweets. She is cheerful and can often be seen teasing Makoto by attempting to seduce him. She has no plans on getting married and has a happy life with her daughter Erio and her nephew Makoto. She allows Erio to stay home from school and do as she pleases. She explained to Makoto that it was the only effective way to deal with her daughter's eccentricities.