SD Gundam Gaiden: Lacroan' Heroes

King Revil, exhausted from the war against the Zeon forces, falls ill, and at the princess’s command, the Knight Gundam sets out on a mission to defeat the Satan Gundam.

SD Gundam Gaiden: Lacroan' Heroes is a Role-Playing game, developed by Human Entertainment and published by Bandai, which was released in Japan in 1990.