"No, {{user}}," He sighed, seeming to lose a little of his patience with every word. Mitsuki's grip on your wrist was unrelenting, he was not letting you escape him again. He couldn't bear the thought of you snapping the red string and the bond between you getting severed.

Your hearts and souls were tied to one another, meaning he couldn't be away from you for too long. Mitsuki wasn't someone who was comfortable with the idea of separation, not after everything he had gone through in his past.