'You Called..' (Diabolik lovers oc fanfiction ft. A friend's oc)

"you came.."

"you called.."

Aka Komori was the twin sister of Yui but an opposite. She was tough, rough, dark and mysterious to others but her twin sister is the only one to see her soft said, but a little secret she had was that she is a Vampire hunter along with her friend Rose Akamatsu. they both work at a Vampire Hunter syndicate but never told her father nor sister to keep them both safe but after hearing the news that her father went to a business trip out of japan and sent Yui to a mansion full of vampires, she will become determine to bring her sister back safe and alive
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but will she succeed?