Premieres in Japan on June 28th. The new PV is here. This is a movie adaptation of the oneshot manga created by Tatsuki Fujimoto (Chainsaw Man) that has won several industry awards. For more information as well as announced cast/staff, see the ANN article. Synopsis from AniList:

Ayumu Fujino is a fourth grader who draws a manga strip for the school newspaper. Her art makes her the star of the class, but one day she’s told that Kyomoto, a student who refuses to come to school, would also like to submit a manga for the paper…