""Heterogeneous Strongest King Encyclopedia"" released as a Nintendo Switch game software

The "Strongest King Encyclopedia" has sold over 3.25 million copies in the series (as of December 2022) .
The same series "Heterogeneous Strongest King Encyclopedia"  released nationwide by Nippon Columbia as a Nintendo Switch game software on December 15th. It is called "Heterogeneous Strongest King Encyclopedia Battle Colosseum".