The past is back (Mephisto x Reader)

You had knew Mephisto for awhile, you both bounded well, considering you both were demons .you two had met when you had went on vacation, it had been about two or so years since the last time you two had talked.. you get a phone call from the old friend , the phone call will lead to drama between you and your newly made friends that we're produced from this call. Rin Okumura happens to take a romantic liking to you... along with Mephisto...