"Last Exit Love 01" tells the story of Subaru, the youngest daughter of a family who must adapt to the strict rules set by her two older brothers, Toru and Wataru. At 15 years old, she faces the challenges of growing up and first love. Suddenly, Arata enters her life, a lively and unpredictable boy who disrupts Subaru's familiar routine. Despite his odd behavior, Subaru suspects that there is more to Arata's actions than meets the eye. This narrative combines humorous and emotional elements, offering insight into the complex relationships between siblings and friends.