We seek a responsible babysitter for two children, an infant and a preschooler. The sitter will care for the children on Saturdays from 12:30 PM to 2:30 PM, with a flexible start date of July 19, 2025. Responsibilities include supervising playtime, ensuring safety, and helping with learning activities. The sitter must speak Japanese to help the children acquire Japanese effectively. Experience with preschoolers is preferred.