Having just broken up with his girlfriend at the cinema, Osaka high school student Kyogoku Kota thought his luck couldn't get any worse. But on his way home, he missed a step and fell into a river. When he woke up, he discovered he'd become Giyu Tomioka, the Water Hashira from Demon Slayer, and someone had dumped him in the wilderness of the Edo period.
Before he could figure out what was going on, several real demons appeared before him, lunging at him with gaping jaws.
