Babysitter for 3.5 y/o; Japanese speaking pref; occasional / as-needed basis

Seeking a babysitter for our preschool-aged son on an occasional / as-needed basis. Strong preference for native or fluent Japanese speakers to foster Japanese language development. Responsibilities primarily involve supervising playtime and reading stories, as well as preparation of simple snacks / meals and possibility to flex into overseeing bedtime. Prior experience with young children required. The sitter must arrive on time and maintain a positive, caring attitude.Flexible start date. Times may vary on as-needed basis - primarily weekday evenings and weekends.Possibility to grow into longer-term, more steady nanny role.