Reading Season! Impression Potato and Handwriting Authentication Wax Seal

Synopsis

Assigned to write a book report, Butagorira chooses a world atlas—it has the fewest characters to write! While reading it, he discovers a note saying "Butagorira is afraid of caterpillars!"—a secret only his parents know. To find who wrote it, he asks Eiichi to create the "Handwriting Authentication Wax Seal."