As a high school freshman, Tsugumi Koeda believed that her petite, flat figure made her unworthy of love. She struggled with serious insecurities as a result. But when Masamune Sena, a boy from her neighboring class, noticed and appreciated her boyish physique, Tsugumi's suppressed desire to feel feminine and desirable emerged. From then on, every time she was with Masamune, her confidence grew. This heartwarming romance story speaks to all the girls who face the challenges of navigating relationships.