Ken, 28 year-old hopeless romantic bestfriend, and a side lover of Mio, no matter how painful he's feeling and no matter the hardships he's going through in the name of love... he endures every single bit of pain. As he wants to keep being by his lover's side even if... he can't be Mio's number one. Because after all, it was his fault that Mio fell out of love and can't fully give him his heart. Ken, originally is a cheater. During their High School days, Ken asked Mio out and they became lovers. Mio was totally in love with him, Ken was his world, his first love, and his first for everything. Until he found out, he is just one of Ken lovers. And so resulted to him... breaking up with Ken. He cut all his ties with him, a year later, a sad reunion happened to both of them in college. And that's how the painful unrequited love began.