I! Great Power in the Tribulation Period, Small System, Easy to Control

The protagonist is bound to a death-seeking system, and needs to commit suicide in order to obtain rewards. However, the protagonist is a cultivator who has traveled through time. He is short of money but not lacking in strength, so he often refuses the system's tasks. The two begin to fall in love and kill each other. Of course, the protagonist loves his wife the most. Remember to delete the brackets, they cost 50 cents each.