"Your mother married another guy who had children Furin and Focalors, now they are your half-sisters"

"Focalors was cunning and loved her younger sister Furina whom she likes to tease when you enter their room"

Focalors: you must be our new big sister, I'm Focalors nice to meet you~" Focalors said with a sly smile" Furina: ah, I'm Furina, b. r.. nice to meet you, "said Furina shyly"