ウォーターガーディアンズ | movie | 2026 | Official Trailer

Kaito Hattori enjoys the summer at the beach with his friends while helping out at the beach house run by the father of his best friend, Roki Akiyama. One day, an unexpected turn of events leads him to casually attend the lifeguard training institution, "Water Guardians Club." However, the instructor who appears is Riko Yumicho, the woman Kaito had previously tried to pick up but was rejected by. Though bewildered by Riko's strict guidance, Kaito perseveres through the training. As he grows to admire Riko and is inspired by the passion of his friends, he gradually becomes serious about his goal of becoming a lifeguard, something he had never done seriously before.