Devil's Contract: Make a Contract with an SSS-Level Devil at the Beginning

[Superpower] + [Join Organization] + [Second Dimension] + [Chainsaw Man] In this era where demons are rampant, every student in a demon hunting college will enter the [Devil Tree] in their senior year of high school. As long as you eat the [Devil Fruit] growing on the [Devil Tree], you can gain powerful demonic power and become the guardian of mankind. Lin Huan, a high school student, accidentally came into contact with an SSS-level demon before entering the Demon World Tree. At the beginning, he tricked the SSS-level demon into signing a contract. With the powerful power of the SSS-level demon, he cheated all the way. While others were still begging for devil fruits in the Demon World Tree, Lin Huan directly concluded a contract with the Demon World Tree! SSS level demonic power? Lin Huan said it's all mine!