Sam's manga / #Romance(1143)

College student Keiji possesses the dubious talent of being able to see the red string of fate. One day, he suddenly notices a red thread tied to his own finger! He is tickled pink on catching sight of it and immediately follows the thread, but the thread leads to his own kouhai called Hiro!!…"My soul mate is a guy!?"

Royal Blood/Aristocrat clan are born with a core & mystic powers. They live a lot more longer & have physically stronger than normal human. Anyway they mutate into a Zero/Monster if the core's corrupt due to a severe mental shock or a poison 'VS Solution'. INTRON [Ch.18] tries to turn Royal-Bloods into Zeros so they can control & use them as Tools. "I love you master." Born a servant, falls in love with a master who loathes servants. Exquisite BL romance fantasy between master and servant.