Uchikano - Living With My Girlfriend is a slice of life story involving two childhood friends who start living together, and later develop romantic feelings for each other. Tachibanaki Keisuke is about to begin his life as a fully fledged member of society. He has a job at a small company that he’s satisfied with and he is living on his own, supporting himself. While he is motivated because of his job, everyday he comes home exhausted and one thought crosses his mind, “If only I had a girlfriend…” One day, his childhood friend Matoi Ayame appears at his door. Her parents moved abroad for work and Ayame decided to stay behind for her college entrance exams. Since her parents are good friends of the Tachibanaki family, they entrusted Keisuke to take care of their daughter. That was how Keisuke and Ayame started living together under one roof and when they started to see each other as more than friends.