A dog-like young master × A secretary who is like a maid

The secretary has been doing housework for 10 years, and is essentially a secretary, not a maid...; The young master is cold only to the female protagonist, and thinks she's a piece of shit. Song titles and lyrics are included, so check back again for the fun of finding the lyrics~ Oh! That's right. This short story is a bit of a rushed plot and a quick conclusion, so please understand!