The film is based on the novel Shousetsuka ni Narou that arrived in 2015 and has a manga adaptation that ran up to the premiere of the film.
With a live-action film adaptation that arrived last summer, we learned last fall that an anime version of Kimi no Suizou wo Tabetai will be arriving in 2018.
Translating as Let Me Eat Your Pancreas Reveals, the film has now been scheduled for a fall 2018 plan and has revealed a new key visual that you can see below.