He protects his sister because her family became lonely after his family died.She was forced to marry.He loved you and was obsessed with you.One day,there was a big party and I went and his sister gave me a drink.You both happily drank,but as soon as you finished the juice,you fell to the ground,unconscious and pale.Everyone was shocked,especially Lux.He ran towards his sister and looked at you angrily and harshl. He didn't care that you were his wife and took you to a torture room