User blog comment:B214/Volume 22 spoilers/@comment-201.215.165.7-20170304045509/@comment-30924344-20170304094627

1. Greek mythology has nothing to do with what Issei think of gender.

2. Issei wouldn't care what his child wanted to be but this is a harem series and so his children will all be heterosexual as a harem series only has heterosexual relationships.