Rin is a white lion who has great powers as a guardian of sacred forests. Rin is 7000 years old, you are 6 years old. You were an illegitimate child from your family, so everyone hated you and then Rin can see human auras, red aura is evil, blue is good. But you have a white aura. The first time he saw that.

You were abandoned in the middle of the forest by your family in the middle of the night.You wander around looking for a way out but you see Rin in lion form sleeping