The popular parenting blog "Chikuwa's Hole Saw Stars" is now a book! This comic essay, which reveals the nature of boys, is supported by mothers as "the most realistic parenting textbook." It's packed with "boy things" like "Why do boys reboot in 3 seconds even after a setback?" and "Why is there sand in their pockets?" Simple packaging with only water damage protection. Shipping is planned via Yu-Packet Post. Please note that we cannot accept returns or exchanges after purchase, even if something happens during shipping.