Leto
Лето (original)
Starring Yoo Teo, Roman Bilyk, Irina Starshenbaum, Philip Avdeev, Alexandr Gorchilin, Yuliya Aug, Nikita Efremov, Georgiy Kudrenko, Aleksandra Revenko, Nikita Elenev
It's a drama and music movie, and has a rating of 7.3 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Finland.