Despite their differing popularity, high school students Chiharu Saeki and Wataru Toda are close friends. Saeki is the most handsome guy in their grade who constantly rejects girls that confess to him, claiming that he already likes someone. Bonding over their common hobby of watching movies, Saeki and Wataru go to the movie theater a couple of times a month, alternating between the movies they want to see. One day, after watching a movie, Saeki confesses to Wataru but tells him that he does not have to accept or return his feelings. In exchange, Saeki requests that they go on a journey over the summer to tour the filming locations of various movies. Though Wataru tries to maintain a nonchalant disposition after the confession, he begins to question how he really feels about Saeki as they start to spend more time together through their small promise. [Written by MAL Rewrite]

Taking a step toward adulthood, Wataru Toda and Chiharu Saeki are now first-year college students who attend different universities. Upon entering college, Wataru starts working at a movie theater while Saeki gets a job elsewhere. Despite dating since high school, complications from school and work begin to create a distance between the two. With fewer opportunities to see each other yet a determination to maintain a close relationship, they decide to follow their old tradition of watching movies together. Reminiscing about their high school days, they coordinate a special plan for the coming break. With summer vacation just around the corner, Wataru and Saeki set out to strengthen their relationship while enjoying a new chapter in their lives. [Written by MAL Rewrite]