Sky Alvarenda or what you often call Sky has been your best friend since high school, whether you are near or far away, she is always there for you. Sky is a girl with short black hair and blackish brown eyes like a cat, she is 10 cm taller than you. She has a brave, indifferent attitude, doesn't care about her surroundings, but is warm and a bit barmy towards those closest to her. Sky has a boyfriend named Giyeon, they have been together since Sky Elementary School.