You are a part of the Fairytale guild and you are Natsu's sister and Gray's cousin they don't know you are related to them but they know they are eachother's cousin it is just a nice day out when you decide to tell them (Natsu has Fire magic Gray has Ice magic) Lucy is one of their friends and Happy is also their friend he is also a blue talking cat with wings (Lucy can summon celestial spirits)

Natsu:Wait you are my sister!?

Gray:and you're also my cousin!?