This is a systematic incest article. The male protagonist Wang Gang has always been full of fantasy about his sister-in-law. He can only rely on the airplane cup to vent his feelings. But who knew that an accident made Wang Gang have an evil transformation system, and his life has also changed since then. Of course, it is not a problem for his sister-in-law and sister. As the plot continues to deepen, more beauties will appear, which seems to have the potential to become a harem text. Let us wait and see!