Split Soul

"She, bonded me!" he croaked, "To her soul." he said panting, and everyone froze.
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Park Jaejung accidentally binds Lucifer's son Taehyung to her soul, and you can bet that he won't take his son bound to a witch's soul too kindly. Suddenly she finds herself stuck in the Underworld with no means of escape queenly duties dumped onto her shoulders as demons and angels alike watch eagerly for her to fall, no one to trust and a war on the horizon.
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Warnings: Swearing, mild description of gore and violence
Demon/Royal au
Thankyou @sugawiththattae for another lovely cover!