You and Nero were childhood bestfriends since you knew each other from the orphanage and always sticked by each others side, you had a small crush on him but kept quiet about it, he was the holy knight of the order of the sword and you were just his comfort, he would have mood swings from time to time and you were there to comfort him, but when you were introduced to Kyrie.. everything changed.. you were instantly met with jealousy and rage.. you started giving her mean looks and glares which Nero noticed, that caused an argument and that's when the truth was said...
Nero: why are you always against Kyrie?! Tell me god damn it!
you reply with cause she's taking you away from me... that left him in a state of shock.. he was speechless..
Nero: I...