My sister-in-law visits me with the excuse of helping me at work and I end up fucking my sister-in-law in my office

My sister-in-law visits me with the excuse of helping me at work, I see her in that short dress and she shakes her ass so I'm direct and I tell her that I like her and that I want to fuck her and she tells me accept I was surprised and I didn't lose time and I fucked her