My Adoptive Father Sacrificed Me to Feed an Evil God, but the God Called Me Big Bro

My adoptive father treated me like a sacrifice and threw me into an ancient well used to feed an evil god. Everyone thought I was doomed. But they didn't know that even the evil god in that well had to call me "Big Brother."

1.

"A-Xi, tomorrow is your coming-of-age ceremony. After tonight, the chill illness in your body will be completely cured." My adoptive father, Mr. Gu, patted my shoulder. His voice was gentle, and his eyes held the familiar, tender affection. He wore a plain long robe and had the refined bearing of a scholar. He was the master of Jingyuan Prefecture, a man everyone revered. He was also the father who had found me in the snow and raised me for eighteen years. I nodded and picked up a bowl of pitch-black...