User blog comment:B214/High School DxD EX/@comment-4547267-20150827150905

I don't know about the whole Ixis disrespect his father thing like Boruto, he did say he is not as sweet as his father, which kind of shows he does see his father as a good or sweet man, but not someone to go around killing, which it's weird because Issei is willingly to kill, it just his opponent were too strong