Recommendation

Its manager and employee (intern) but its really good!

https://www.mangago.me/read-manga/the_new_employee/

once upon a deal expect the boss has a secret identity and you must fall ontop of him then randomly end up at his house to findout his secret identity
https://www.mangago.me/read-manga/story_telling_business/

https://www.mangago.me/read-manga/it_s_not_like_that_gangto/