Magic Contractor: Nine Hells

Before she was born, her grandfather used her shining soul as a bargaining chip, offering it to the arch-demon Asmodeus in exchange for an evil ritual. Under the care of her father and sister, she grew up to the age of six. Unfortunately, the appointed time came. They tried their best to protect her, but their flesh and blood could not withstand her grandfather's powerful magic. Although she escaped in the chaos, she was eventually dragged into Avernus. The flames burned away his childhood, leaving only a contract nailed to the throat of fate - before reaching adulthood, he must collect the souls of four hundred sinners who did not belong to hell in exchange for redeeming himself. Before that, she must serve in the military camp of Avernus, survive in the bloody battle surrounded by devils and devils; draw strength from the contract