Recommendation please + Search

Have you tried Ouroboros? would recommend that one

also for the search one, is it this? http://www.mangago.zone/read-manga/noah_of_the_blood_sea/
I remember there was a scene where they were cleaning rooms alongside the dead bodies

http://www.mangago.zone/read-manga/psychometrer_eiji/

http://www.mangago.zone/read-manga/route_end/ I think this might be the one you're looking for

http://www.mangago.zone/read-manga/majin_tantei_nougami_neuro/

http://www.mangago.zone/read-manga/shibatora/

http://www.mangago.zone/read-manga/detective_xeno_and_the_seven_locked_murder_rooms/

Thanks for the recommendation!
The one I'm searching for was a firma cleaning deceased people homes or murder scene.

OMGGGG YESS THANK YOU!!!!!