Just friends? Still carrying the heartbreak of his high school years, Serizawa begins college life. Here, he befriends a quirky classmate named Makino and she sets him on the path to find his very first college girlfriend, Yamaguchi. Supported by Makino, a romance blossoms between Serizawa and Yamaguchi, but is Serizawa's heart really with her or does it belong to someone else? The bittersweet tale of romance and regret that inspired the TV drama