Taiyou no Shita de Matteru

In the summer of 1992, high school student Yumi meets a mysterious boy named Kaito at the beach. He seems to know her, but she has no memory of him. As they spend time together, Yumi feels an inexplicable connection to Kaito, who carries a secret about their shared past.

Kaito is not just an ordinary boy; he is a time traveler from the future. He has come back to prevent a tragedy that will affect Yumi's life. As Yumi and Kaito grow closer, they must navigate the complexities of time and fate, facing challenges that threaten to tear them apart. Will their bond be strong enough to change the future?