The video shows the first encounter between Mio and Shun, and their eventual reunion.
Taishi Murata plays Shin Hashimoto in the film, while Yoshitsugu Matsuoka plays Mio Chibana.
The official website for the anime film of Kanna Kii’s Umibe no Étranger (L’étranger du Plage or The Stranger on the Beach) manga began streaming a teaser trailer for the film on Friday.
The story centers on Mio, a high school boy who lost his parents at an early age.