In River City Saga: Three Kingdoms, the characters of the Kunio-kun series run-amok in the world of Sangokushi. The game, which follows the flow of the popular Downtown Special Kunio-kun's Historical Period Drama!, sees players cross countries and challenge the Romance of the Three Kingdoms.
https://www.youtube.com/watch?v=XOIEbGHf6vQ
https://www.youtube.com/watch?v=owljs_MWN1Y
https://www.youtube.com/watch?v=UfKzHej5Eug
https://www.youtube.com/watch?v=bxQ-Hi_BO5k
