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

Gray and shirou are have sex in a missionary position while he creampie her and a little panel show her egg getting fertilize by his sperm while lakshmibai walk in with a blushing expression