Nightmare Maker

A high school student named Uchida invents a device intended to produce pleasant dreams. While it consistently gives him nightmares, he tests it on the school doctor, who experiences positive results and offers to buy it. The device gains popularity among classmates, with many eager to use it. However, concerns arise as users struggle to distinguish between dreams and reality. The story includes four additional chapters published in various issues of Young Champion Retsu from 2007 to 2012.