It's a Beautiful Day

It's a Beautiful Day (クソすばらしいこの世界) is a 2013 Japanese horror film directed by Kayoko Asakura. It stars Kim Kkot-bi. It is the debut film by Kayoko Asakura and had its premiere at the Yubari Film Festival in 2013. The film is set in California, where A-jung is picked up by her Japanese friend Takako. They visit Takako's friends who treat A-jung poorly. That night around a campfire, mysterious supernatural events begin to happen involving Takako's friends.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.