Demon Slayer - Kimetsu no Yaiba The Movie: Mugen Train
劇場版「鬼滅の刃」無限列車編 (original)
Falling forever into an endless dream... Tanjiro and the group have completed their rehabilitation training at the Butterfly Mansion, and they arrive to their next mission on the Mugen Train, where over 40 people have disappeared in a very short period of time. Tanjiro and Nezuko, along with Zenitsu and Inosuke, join one of the most powerful swordsmen within the Demon Slayer Corps, Flame Hashira Kyojuro Rengoku, to face the demon aboard the Mugen Train on track to despair.
Starring Natsuki Hanae, Akari Kito, Hiro Shimono, Yoshitsugu Matsuoka, Satoshi Hino, Takahiro Sakurai, Katsuyuki Konishi, Saori Hayami, Kenichi Suzumura, Tomokazu Seki
It's a drama and animation movie, and has a rating of 8.2 out of 10 from Imdb which is very high for this kind of movie.
Watch it here
Not found streaming from Netherlands.