Jaku Chara Tomozaki Kun Light

In a world ruled by magic and monsters, where destiny favors the strong and crushes the weak, one boy's fate is written not in prophecy… but in crystal. Seventeen-year-old Rai Jin dreams of awakening his magical affinity and lifting his family from the grip of poverty. But when a mysterious black box—left behind by his long-lost father—explodes with a blinding red light, Rai Jin is thrown into a new reality. Embedded in his chest is a glowing crystal—pulsing with the power of a ruler-level magical beast, the legendary Mountain Mammoth. Suddenly, Rai Jin is no longer just a boy with a dream. He is Crystalborne—chosen by fate, bound to ancient power, and hunted by those who fear what he might become. With the looming threat of Kaijus evolving into god-like entities and a world on the brink of war, Rai Jin must master the elements, uncover the secrets of his father’s disappearance, and rise as the Elemental Monarch... or fall as the spark that doomed humanity. Magic. Beasts. Bloodlines. Destiny. His journey is not just survival—it's ascension.