I'm Really Not a Big Devil.

As soon as he woke up from time travel, Chen Feng was put with a knife on his neck and asked to be his brother-in-law. Chen Feng refused at first, but when a virtual panel appeared in his mind... [Challenge mission: Become the son-in-law of Luoxia Villa and survive for three days. [Completion reward: randomly select a secret method of the Demon Ancestor, and add two skill points. [Punishment for failure: You can't complete such a simple task, so what's the use of you - throw you into the magic thunder cliff, and suffer the pain of thousands of thunders forever] Looking at the tasks assigned to him by the system, Chen Feng said loudly: "I'm not afraid of being struck by lightning, I'm just greedy for the rewards from the system."