Delicious In Dungeon the dungeon does have existing cleaners but also I think it would be kinda fun to Powerwash the mad sorcerers house. Sorry Thistle you've really let it go to pot
Pandora Hearts We've had a number of massacres so there are a lot of really funny answers for this. I feel like Isla Yuras mansion is the most mapped out tho
Also he uses illusion magic so you can say "yeah he hasn't cleaned it for real in years he just illusions it clean and Duchess Rainsworth found out and has been judging his ass"
Jojos Bizarre Tabletop either the train I put all those chainsaws and gravity reversal traps on or good old Pink Floyd's, home of our very first vampirefite
it could use it