Kanna falls in love whenever she has sex, repeatedly getting caught up in fruitless relationships and facing constant heartbreak. Through it all, Kenta has always been there for her, quietly listening and hearing her complaints. More than just a friend, he has remained her emotional support. Unaware of his true feelings, Kanna unknowingly made him hide his love for ten long years. One day, Kenta finally confesses, shaking Kanna to her core. Awkwardly, she kisses him, trying to understand her own emotions. Amid warmth and tenderness, their love begins to bloom.