In A Year to Make You Mine, Karma Akabane and Monika Ishii's paths intertwine during their third year at Kunugigaoka High School. Karma, drawn by Monika's mysterious aura, sets out to befriend her. As time passes, his feelings deepen, leading him to embark on a mission to win her heart before the school year ends. Monika's guarded personality and Karma's playful teasing create a captivating dance of emotions, testing the boundaries between friendship and something more.