Rinne no Lagrange: Kamogawa Days Game & OVA Hybrid Disc will launch in Japan on August 23, Weekly Famitsu has revealed.
The hybrid comes bundled with a game and movie. The game is an action shooter, and the anime, called Kamogawa Days, is a new 70-minute special. A booklet will also be included. It will go for 7,980 yen.
On July 23, Namco Bandai will begin a special screening of Kamogawa Days in ten theaters across Japan.
Thanks, @Sinobintage.