"There's something I wanted to do! Take old photos again!!" Lee Hyuk and In-seo, who grew up together from birth, accidentally take old photos again, and then impulsively kiss one another. Since then, Lee Hyeok tries to avoid inser, but his mind is filled with only the kiss he had with Inser... What if you and I become less familiar with the word us than others? This is a little odd love comedy between Lee Hyuk and Inseo.