Despite reaching the age of 33, Siyoon remained romantically inexperienced. He had only ever harbored feelings for one person - a college senior whom he had once deeply loved. However, no one had captivated him since then until the day he laid eyes on Hyunwoo. Struck by the uncanny resemblance to his former unrequited love, Siyoon acted impulsively, seizing Hyunwoo's shirt and confidently asking for his phone number - a move that astonished even himself when Hyunwoo complied. Ignoring all caution, Siyoon threw himself into their newfound relationship with the reckless abandon of a teenager. But beneath the surface of their ostensibly sweet romance lurked a dark enigma.