Bunji is obsessed with his toy cars. Mom means to look after him, but because she doesn't stop him, he drifts into the toy car's soul. Bunji, Ma and Chi play in the mud again. They become the "fried oyster men"!; Bunji practices riding a bike. With Mom, Dad, and Grandma on his side, Daichi and him manage to pedal!; Fumi declares she wants a little brother. Mom tells her to make do with Jon instead. Fumi begins to treat Jon like her younger brother.; Bunji enters first grade and has trouble with subtraction. Mom takes advice from the spirit and buys him the easiest practice book she can. They vow to practice ten minutes a day, but...; Bunji's troubles with subtraction continues. Mom makes him an exercise involving loaning money, but Bunji just says he won't give the money back!
It's the police car this time! The police
car's spirit has possessed him!