Mia wants her first love to be her last and in order to do so she sets her heart to finding 'the right man' as she begins a new term in high-school. However, days before her new term begins, she meets a handsome young man named Haru (the Japanese word for spring) by the beach, as if brought by fate, Haru begins going to her school and the two of them became closer than before, and as expected, begin to fall in love. Is Haru the 'right man' that Mia has been looking for? How long will their love last?