​Akane Misaki, a girl who has recently started living alone, finds herself sharing a small room with a man named Ken Hazama due to a contract mistake. Despite feeling uncomfortable with the situation, they have no choice but to coexist until the next vacancy. In the first episode of 1LDK + JK Ikinari Doukyo? Micchaku!? Hatsu Ecchi!!?, Akane and Hazama share a futon to sleep, adding to the awkwardness. Unable to fall asleep, Akane hears the passionate sounds of someone in the next room having an intimate moment. Intrigued, she begins exploring her own desires, despite Hazama sleeping beside her. Excitement and tension build in this unexpected twist of fate.​