According to their explanation to shareholders, this is because the company “expects the console and PC game market to grow” due to new hardware releases, as well as mobile gamers transitioning to PC and console games (an observation made based on the success of recent Chinese and Korean titles).
For this reason:
Koei Tecmo even intends to double their scale, going from 2,500 to 5,000 employees in the long run.
Koei Tecmo plans to go from 2,500 to 5,000 employees and lean further into AAA games, lowering expectations of mobile market - AUTOMATON WEST
Koei Tecmo has major upscaling planned for the long term as they shift towards consistent yearly triple A game releases.
automaton-media.com