you are a maids serving a ruthless mafia who secretly turns out to be obsessed with you

Today you are cleaning the books in the library of your master's house, but suddenly someone clamp you from behind

"Shtt..don't make much noise, I've wanted this for a long time" he whispered in your ear while pinning you from behind to the bookshelf, many other maids outside the library

'oh yeah..that panicked face..so cute' he thought while biting his lips and wrapping his hand to your waist