Seaside Stranger 5: Harukaze no Etranger Kanna Kii (2022)

Since his parents disowned him for being gay, Shun has lived with his aunt on a small island near Okinawa. One day, he meets Mio, a high school student who has recently lost his own parents and spends his days sitting by the sea. The two young men begin to open up to each other, until Mio reveals that he is leaving. Three years later, an adult Mio returns to the island to confess his true feelings, but is Shun ready for a relationship?