Shin-chan draws on a wall and gets caught by a security lady, Higashi. She tries to get hold of him but he escapes. Misae gets a pamphlet of a lucky draw and goes to the store with Shin-chan. She enters the store and wins a quantum robot. Chiroku comes to Shin-chan's house to study. Later, Misae gets a letter from Chiroku stating that she passed because Shin-chan kept her mind relaxed.