Set against the stunning backdrop of Okinawa's coastal beauty, this heartfelt slice-of-life drama follows two young women whose paths converge at a struggling aquarium. Kukuru Misakino, a passionate but inexperienced high school girl, is determined to save her family's beloved aquarium from closure, driven by a deep emotional connection to the marine life she has grown up with. Her world is turned upside down when she meets Fuuka Miyazawa, a former Tokyo idol who has lost her direction and purpose after a failed career. Fleeing her past, Fuuka arrives in Okinawa seeking a fresh start and reluctantly takes a job at the same aquarium. As the two very different girls learn to navigate the challenges of caring for the aquatic creatures, they confront personal insecurities, financial pressures, and the looming threat of the aquarium's shutdown. Through their shared passion for the ocean and its inhabitants, they forge an unlikely friendship that helps them discover their own strengths and dreams, offering a warm and visually stunning exploration of coming-of-age, found family, and the healing power of nature.