Strawberry BabysittersStrawberry Sisters; Strawberry Sitters ; ストロベリーシッターズ

Onee-san Ringo has to take care of her imouto Mikan, since they are a single-mother household. When their mother is hospitalized, they cannot find a day-care, but the playboy classmate Kei recommends a yakuza-like day-care ... What shall happen now?