The original manga series from Hiroaki Mizusaki began in 2019 and has two volumes out as of July 2021.
Flex Comics revealed in July 2021 that Kaijin Kaihatsubu no Kuroitsu-san will be getting one in the near future.
The property, which translates as Kuroitsu-san in the Superhuman Research & Development Department, didn’t reveal any details about the project upon its announcement.
The series is directed by Hisashi Saito based on the series scripts by Katsuhiko Takayama.