The Stolen Element

Vanessa has spent her life believing she was abandoned, shuffling between neglectful foster homes and haunted by strange nightmares. When her suppressed magic resurfaces, she is thrust into the mysterious world of Alfea, a school for fairies. There, she discovers rare elemental powers, a strained bond with her sister Bloom, and an unbreakable connection to two Specialists who are destined to be her soulmates.

As her past unravels and danger looms, Vanessa must face the truth about herself and the powerful future waiting for her.

Sky x fem oc x male oc soulmate story
I don't own Fate: The Winx Saga.