Junshuo, who was born in Jeju Island, was forced to stay at the enthusiastic Aunt Mi-young's house by his mother because he was admitted to the university in Seoul. When Junshuo arrived at the door, the first person to come out to greet the elder on his chest! Days passed day by day, Junshuo began to experience the charm of the aunt's mature woman. The aunt's casual jokes always challenge Junshuo's physical limits...