Tsuneo Suzukawa, a university student with a deep love for diving and marine biology, diligently takes on multiple part-time jobs to save for studying abroad. However, his path takes an unexpected turn one fateful night when he encounters a girl named Kumiko, who goes by Josee, in a wheelchair. Initially met with rudeness from Josee, Tsuneo eventually agrees to become her paid caretaker at the insistence of Josee's grandmother. Despite Josee's demanding nature, Tsuneo sees this as an opportunity to further his savings for his academic goals. As time passes and Tsuneo grows weary of Josee's behavior, he learns of her desire to explore the world beyond her limitations. Touched by her dream, Tsuneo decides to join Josee on her journey of discovery. Together, they uncover a connection that may hold the key to achieving their individual dreams.