This Lord is Very Scientific - Chapter 66 - 58: A Plane?!

During a luxurious cruise trip, he and she met unexpectedly~ Two months later, she was pregnant. They got married because of the child, but on their wedding day, he forced her to sign a divorce agreement. After the divorce, she thought they would have nothing to do with each other anymore. Who knew he would appear in her life again. When she went on a blind date, he showed up: “This is my ex-wife. She just separated from me.” When she went traveling, he followed her. She was furious: “We are already divorced, what do you want?!” “Let's get back together.” He started to pester her shamelessly. Given all the misunderstandings between them, how should she decide? Let's see who surrenders first~

Among the demons, the supreme ones are called “Great Saints.”

The main character has been reincarnated, and he possesses a system and a powerful treasure. Using these, he plans to create his own universe. Keep reading to find out more.