One day, he suddenly became 'Hajin' a love-blind sub-protagonist in a webtoon. As he inevitably becomes involved with the main protagonist, Seonwoo, he becomes more and more immersed in the atmosphere and starts talking nonsense... “Seonwoo, are you a good kisser?” "Why do you want to know?" "Seonwoo, why are you so seductive?! If you continue like this, oh, I'll end up liking you!" The revolving love story of Seonwoo, who slowly falls in love with Hajin, and Hajin, who is a master of clueless flirting.