Hinako is a carefree college student passionate about surfing. She moves to a seaside town where she meets Minato, a brave firefighter who saves her from a fire in her new apartment. Their shared love for the sea draws them closer, and Hinako teaches Minato how to surf. As their relationship blossoms, they inspire each other to chase their dreams and passions. Hinako finds comfort and confidence in Minato's presence, and they form a deep bond built on mutual support and shared experiences by the sea.

Halfway through the story, Hinako faces an unexpected tragedy that profoundly affects her life. Overcoming her grief, she discovers that Minato's spirit can communicate with her through water. With this miraculous connection, she learns to cope with her loss and continues to find strength in surfing and the memories they created together. Her journey toward healing helps her realize her inner strength and the importance of cherishing every precious moment.