Umibe no Étranger

Shun Hashimoto, an aspiring novelist, lives in Okinawa, where he was left by his parents after coming out. He meets Mio Chibana, a reserved high school student who spends a lot of time by the sea, on the beach. Over time, they grow closer, but Mio eventually leaves Okinawa. Three years later, a 20-year-old Mio returns to confess his feelings to Shun, who has undergone significant changes.