A slightly early look at August issue of Dragon Age magazine, out in Japan July 9th, has revealed that Kenji Saitō and Akinari Nao's action harem series Trinity Seven is scheduled to be adapted into an anime movie. The 2010 series was previously adapted into a 2014 TV anime.
Volume 15 will be collected in Japan on August 9th.
Pride, Envy, Wrath, Sloth, Greed, Gluttony, Lust. These are the seven sins laid upon seven girls who rule over Biblia Academy. To retake his world, the boy decides he must control these sins... The boy, Arata Kasuga, has had the world he knows by a mysterious "Collapse Phenomenon", and his cousin Hijiri disappears into another dimension. To understand the Collapse Phenomenon and win back his cousin, he comes to Biblia Academy. There he finds the seven girls and their sins