User blog comment:B214/Question and Answers 6/@comment-30780538-20180312034308/@comment-31456106-20180312035712

Very much so, as Vali and Issei share a typical brother like relationship, for instance fighting as "rivals" yet still respecting each other's power. Kuba was saved in a way by Issei forcing him to face his problems with the help of the Sitri and Gremory teams. Gasper is like a young sibling to Issei, as he looks up to Issei for his manliness and courageous attributes.