Each Others Brothers( Justin Bieber/ Austin Mahone FF)

Kelsey and Krystal are used to extraordinary- they're Austin Mahone and Justin Bieber's sisters. Kelsey Mahone is destined to become Sole of the Kentaurus pack. (of werewolves) Justin is destined to become Alpha of the pack. Krystal is destined to become Luna and Austin is destined to become Midnight. (Sole and Alpha are 1st queen and king, Luna and Midnight are 2nd queen and king) Oh and when Justin and Kelsey meet, they know that they're each others mate. Same thing goes for Austin and Krystal. Kelsey and Krystal have fallen under the charm of each others brothers. Enjoy :)