Responses
I hope these are okay, I couldn't find many sadly
https://www.mangago.me/read-manga/phantom_busters/ (still ongoing, it's really funny)
https://www.mangago.me/read-manga/tougen_anki/ (I haven't read it but I think it fits what you want to read)
No "Mairimashita! Iruma-kun" please, for some reason i found it boring as it getting dragged too long without major inputs anymore. They just keep adding more characters, more side quests etc.
This are the examples of my favourites.
https://www.mangago.me/read-manga/youkai_gakkou_no_sensei_hajimemashita/
https://www.mangago.me/read-manga/natsume_yuujinchou/
https://www.mangago.me/read-manga/fukigen_na_mononokean/
https://www.mangago.me/read-manga/hakai_shin_magu_chan/
https://www.mangago.me/read-manga/jibaku_shounen_hanako_kun/