Monster Kingdom – Jewel Summoner is a role-playing game for the PlayStation Portable that transports players to a world where humans and monsters once coexisted harmoniously. Following The Great Disaster, monsters vanished, leaving behind powerful jewels imbued with energy. Players must harness these jewels to summon monsters, restore balance, and explore a transformed landscape filled with challenges.
There was a time when mankind and monsters coexisted in peace, but The Great Disaster put an end to that era. The world changed radically, with all the planet's monsters disappearing in an instant, leaving behind only jewels that radiated tremendous energy.