You can also check out the newly released PV. No date announced for this series yet. See an English article here for cast and staff announcement details. Synopsis from AniList:

I, Teruaki Nakamura, transferred to a school Okinawa and developed a crush on a girl named Kiyan-san, but I don’t understand her dialect. Higa-san is always helping me by translating the dialect. A slightly different cultural love starts on the southern island.