Kemco

Kemco (full spell Kotobuki Engineering & Manufacturing Co.,Ltd) is a Japanese video game developer established in 1980s. It had developed the Escape Game × Kamen Rider series. 
Started in 2020, Kemco had changed their strategy and started co-working with Toei to design smartphone wallpapers themed after the Kamen Rider season instead of making games.
==External links==
* at Wikipedia