Ryuji's will and desire to protect her was a blazing inferno. He had no doubt, nor was he scared of his current strength. The power his body emitted was the level of an S-Rank, and although their weakest, his entire existence changed from a scary threat to a terrifying demon lord with the ability to make a difference.
"She is my woman, and no one can touch her, insult her or hurt her love ones!"
"Heh! You disgusting fallen and your ugly demon lover, I bet you are just a slut like your mother, losing to a momentary pleasure!"
Orina's words were a trigger.
Alicia's body filled with rage and anger, but most importantly, her heart was full of intense emotion, both love and pure joy, for being accepted, knowing his feelings and how serious he was about her. Love for the man who stood in front of her, his presence radiating with the desire to protect, to slay the ones in their path and dirty his hands in blood to keep her safe.