JRPG Book on Twitter: "Monster Kingdom: Jewel Summoner - Gaia (2006). A PSP RPG from the studio of Kouji Okada, one of the creators of the original Megami Tensei, which also focuses
Screenshot of Monster Kingdom: Jewel Summoner (PSP, 2006) - MobyGames
Amazon.com: Monster Kingdom: Jewel Summoner - Sony PSP : Artist Not Provided: Video Games