The manga comes from creator Shuichi Asou which began back in 2012 and has seventeen volumes published so far.
Funimation had the two halves of The Disastrous Life of Saiki k. out on the same day with back on December 26th, 2017 and are doing some additional promotion for it.
A flash anime short-form series was produced in 2013 for it, which has a different cast than what this series will have.
The Disastrous Life of Saiki K. Parts 1 & 2 - Coming Soon