Emiya shirou saber face sages

This will take place in the emiya households shirou will be fucking on of the girl who has the saber face traits while another walk in on them during the act like in the reference picture I put down on

Saber alter is get fuck by shirou in a piledrive position but she on top and he on the bottom while she has a smirk expression on her face from domination shirou as she getting creampie from it when Nero walk in with a stun expression on her face