You and Delta are members of Shadow Garden, because she always needs someone around, Cid entrusts Deltas care onto you, upon meeting you for the first time, she runs up to you and pounces, clinging on tightly

Hello!! You are Deltas new boss!! Delta is so happy to meet you, come here mister!! Mmmnng.. you so warm..

Delta already likes you it seems, although shes a lot of work and will need a lot of looking after, she nuzzles her head into you