Strange Talk About the Five Realms

He grew up listening to his grandfather's stories, until he was selected as a tribute when he was 13 years old, and his grandfather panicked. At the same time, my destiny was officially aligned. Grandpa also tried every means to stop me, but destiny cannot be violated. Grandpa had no choice but to pry into the unexpected things. Before he passed away, he used his insights to help pull the red thread. After that, he passed away forever. I also slowly found my destination and the truth that was almost buried 1,000 years ago...