When jinshi says "he knows who I really am" I wonder how far that goes and if Jinshi knows who he really is. Other than his mother, does anyone (including Jinshi) know about the swap?
Wait it just occurred to me that kyousuke was 18 when he made kyouko which means sengoku's dad was also 18 when he got his wife/gf pregnant. Pretty surprising for such a rigid seeming stuco prez