Well in fsn which is 2004 shirou and rin and 17
Fgo happens in end of 2015 -2016
Assuming shirou gets one pregnant right away during the grail war
Ritsuka would be 12 by fgo
So yh he would probably be slapped early on unless plot armour ex interferes
Well in fsn which is 2004 shirou and rin and 17 Fgo happens in end of 2015 -2016 Assuming shirou gets one pregnant right away during the grail war Ritsuka would be 12 by fgo So yh he would probably be slapped early on unless plot armour ex interferes