While on a school trip to Korea Y/n stumbles upon her soulmate on the subway. Adventures ensue obviously. . . . "Umm..." You turned to the stranger once more this time catching sight of the bright red string connecting your right pinky to his left. "Holy shit." . . . -Red String Soulmate au (when soulmates come in physical contact for the first time their red string appears on each of their pinkies connecting them physically and emotionally. Those around them cannot see or feel the string and it loosens/loses physical property for the soulmates as time goes on, usually completely in about a week although if the bond is resisted it tends to stay longer.)