Crossline

Taehee confesses that he's falling in love at first sight with Jeongwoon,
His senior from the same department. However, Jeongwoon affectionately tells
him that he already has a long-time lover, Geon.
However, he also said that He's a polyamorous person.
That's how the strange romances of Jeongwoon-Geon and Jeongwoon-Taehee began.
Although Taehee is happy with every moment he spends with Jeongwoon,
But for some reason, Taehee keeps worrying about Geon…