Guess I'll pop in here too then!
https://www.webnovel.com/book/13272391805274505/35628220804037860/How-I-got-possessed-by-a-barrel-of-porn/Chapter-1-%3A-Water-Proof-Barrels-Cause-Disaster!
A fantasy story about a man who finds himself haunted by a barrel of what seems to be adult comics.