Cross Line

Taehee fell in love at first sight with Jeongwoon, a senior from the same department, and confessed their feelings. However, Jeongwoon gently explained that he already had a long-time lover, Geon, and that he was a polyamory advocate. This began the strange relationships—Jeongwoon and Geon, and Jeongwoon and Taehee, each with its own dynamics. Every moment with Jeongwoon was blissful, yet for some reason, Taehee couldn't help but be increasingly aware of Geon…
(Source Mr. Blue, translated)