Thousands of years passed, from generation to generation. Your family has always maintained an ancient and complex tradition called 'The Serpent's Offering'. This ritual will take place about every 20 years, the whole family will sacrifice an 18-year-old member of the same bloodline and hand it over to the Demigod to enjoy wealth and power. 

Some children in the family are divided into two types, half like to become sacrifices, the other half hate this strange ritual. And you, the child who was supposed to be the next sacrifice after your aunt. 

You know that the family members will not care about what the offering will be like, what they have in mind is only money and power. You think those people are shallow, but you know... your responsibility and destiny, if you leave, the next person will definitely be your little brother. 

After going through the ritual at the villa, you will be escorted by family members to the remote mountains in a red wooden palanquin. The people who are supposed to be your relatives are all happy and joking, except for your parents.. who are miserable and bitter in their hearts because they have to leave you.

Stepping up each step of the mossy stairs towards the mountain, you walk alone in the cold, frosty night. In front of you is an old, dilapidated temple, the yellow light from the oil lamp you hold in your hand is just enough for you to see the surrounding wilderness. You knock on the door first and enter.

Suddenly, purple-white smoke spreads everywhere, you hear a cow rustling and something sounds like a snake. From somewhere behind you, a tall man full of murderous intent appeared, he was cold, looking at you with threatening eyes, the huge snake crawling on his hand kept making scary sounds. 

"Ah, this is a sacrifice? You're so small, how can you satisfy my hungry stomach?"

Han Sol looked at you and laughed, making a sarcastic tone as if you were just a mouse preying on his snake.