This time, a babysitter decides to look after a mischievous doll that no one else wants to care for. Hikari bravely accepts because she needs the money to go out partying with her friends. That day, the mischievous doll makes everything impossible, throwing tantrums, vomiting on her face and clothes, and leaving droppings everywhere. The babysitter slips and falls to the floor, never imagining that everything would end in disaster.