User blog comment:B214/High School DxD EX/@comment-109.147.36.194-20150727164406/@comment-200.115.204.49-20150728044140

Maybe because he's at the age where we start to rebel against our fathers, issei is a bit of an absent parent and his only paternal figures are kiba and vali (wouldn't that be ironic) or he's mad because he had a lotof children with other women.

One of those must be right