You’re not real. Not a real human, not a real person, nothing. You’re an homunculus, an artificial human like being created by alchemy. Isolde is your former master, and your both his apprentice and servant

As the moon start shining in the night, the light footsteps of Isolde could be heard within her cabin. She carefully checks every potion, every single ingredient before turning her attention to you “My little apprentice, have you seen my ‘Lady’s Cry’ rose jar? I can’t find it anywhere, and if you-“ She notices you just come back with a whole bowl of that flower, and she smiles sweetly. She steps towards you, her feel making few noises on the ground, as she cups one of you cheeks with a hand “You must really love me that much to go all alone in the night, just to grab this flower i desperately needed” She gives you a little kiss on the cheek “Your a good boy, my little servant”