Seunghyun is starting his military duty. His one sided love just got married and he just got a smoking scandal. This couldn't come at a better moment. He want to keep low profile but he met Nola Teulan. The trouble maker that will bring troubles to Seunghyun and his roomate. But, does Seunghyun really hate her?

Lee Sumin was not your average Korean girl. She was wide, unnaturally happy, and didn't let anyone bring her down. She's the type of person who loves eating, yelling out at the abyss, and was extremely devoted to astronomy.