MINE to KEEP

開場白

Denver was buried beneath a blizzard. Snow hammered against the enormous windows of Shadow Gym, turning the city beyond them into a blur of white and distant lights. The roads were nearly empty. Most of Denver was asleep. Shadow Gym wasn’t. The luxury fitness facility was one of the countless establishments owned by Cain Nightwell. Like everything bearing the Nightwell name, it was expensive, exclusive, immaculate—and open twenty-four hours.