We know Hinata's favorite One Piece character is Zoro, so can we assume Kageyama's favorite character is Sanji? Not only because it will be funny to watch them bicker and fight over who is better but also because cooking for sanji is the same as volleyball for Kegayama. Same way Hinata is dedicated and loves volleyball as Zoro with swordsmanship. Not to mention Zosan and Kagehina dynamic are so similar.