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
Monster Kingdom: Jewel Summoner - Wikipedia
Monster Kingdom: Jewel Summoner Review for the PlayStation Portable (PSP) - Cheat Code Central
Monster Kingdom: Jewel Summoner (USA+UNDUB) PSP ISO - CDRomance