Pinki 

this is Pinki. She is Sky's sister pinki is very caring towards sky sometimes she can be very strict but she loves her little sister very much. Pinki is 22 years old and sky is 18 years old sky is a non-binary person their pronouns are they/them or he/her Sky's official gender is female, but they identify as non-binary confidentially . pinki doesn’t really let Sky watch a lot of Dinoshark  pinki loves her sister very much. They’re not really sisters they are. They’re not really besties either. They act like sisters so I guess you could consider them as best friends but they’re not. They’re like sisters. It’s complicated. There’s not really much to explain