Amane Fujimiya left home for high school and lives on his own. His neighbor is the prettiest girl at school, Mahiru Shiina. Their life started to intertwine after one day Amane lent her an umbrella. Mahiru couldn't stand his self-depraved life and began to look after him. The two neighbors gradually built a connection. This show tells an anxious and sweet love story with a lovely neighbor.
