In Order to Become Stronger, Douluo, I Had to Make My Grandpa Vomit Blood.

Lei Hao traveled through time and was bound to a strange system: Only by making the blood pressure of the elders soar can he get rewards. In order to be innately full of soul power, he pretended to sleep during the awakening ceremony; for the god-level martial soul, he deceived Master Su Yuntao into doubting his life; in order to break through the bottleneck, he took his grandfathers to the Star Dou Forest for "team building", and ended up beating up the Titan Giant Ape. Lei Zhen Douluo: "I have such a great reputation all my life, why did I give birth to such a rebellious son like you!" Lei Lie Douluo: "Stop talking, give me a hand quickly, my blood pressure is rising again!" However, just when everyone thought that the Lei family was going to be doomed, they discovered that this "traitor" had become the youngest worshipper of Wuhun Hall, and even Pope Bibi Dong had to show courtesy to him. Lei Hao sighed helplessly: "I really just want to complete the task..."