A manga began in 2015 as well with Hiroki Kusumoto handling that which has five volumes out so far.
The light novel series Hachinantte Sore wa Inai Deshō! revealed in December 2017 that it’s up on deck as getting an anime adaptation and it’s been moving slowly forward since then.
The latest update from the production includes the latest full trailer for the show and the scheduling of an April 2nd, 2020 premiere date.