when he uses SLR to get the summer queen he needs to enter the tower before the protagonist of the novel we are afraid of his brother because she falls in love with the protagonist's brother during the stopover of the protagonist's brother in the tower.
please Don't take the devils side in dxd. in every fanfic I read it is always like that maybe you can create a new separate group or any .or make him a enemy' of the devils or any if you can.