User blog comment:Crimson and Darkness/Volume 25 discussion blog/@comment-95.210.189.106-20180403102927/@comment-30048084-20180403172736

It would be an excellent idea maybe if she has to fight her two older brothers it might help Issei find a way to deal with Ravel's supremacy trait.

Added bonus Riser and Ruval's reaction to it if Issei proposes in the middle of the game.