Kim Jongdae, a nearly killed man by a car accident. He's always in love with Minseok, his best friend who is 2 years older than him. But Minseok just can't realize it. He would do anything for Minseok. His whiny character only shown towards Minseok, and he catch Minseok's attention, while Luhan, his rival, never did anything particular to catch Minseok's attention.

Kim Minseok, a lyricist and a writer. He loves writing lyrics and stories, he write things about love, but he's too innocent to experience it. He's Jongdae's childhood friend and Jongdae's saviour from the car accident. He's always there whenever Jongdae need him, he would listen to every single things of Jongdae's problem when Jongdae doesn't.

Lu Han, a cafe worker and Minseok's best friend. He never find himself stop taking a quick glance at Minseok after Minseok came to his cafe for the first time. He met Jongdae once and felt uncomfortable with his whiny act toward Minseok, he felt jealousy. He oftenly hangout with Minseok but whenever he want to confess his feelings, there is always a er.