Drowning Knife was filmed with a film camera

No.

It was taken with an ordinary camera. "Drowning Love", also known as "Drowning Love", is a love movie directed by Yamato Uki, written by Yamato Uki, Ido Kishu, and George Asakura, and starring Komatsu Nana and others. The film is adapted from the comic of the same name by GEORGE Asakura. It tells the love story of Xia Ya, a young model who transfers to the countryside and meets A Hang, a peer with a unique temperament. The two are attracted to each other and experience setbacks and rebirth together.