Ah Cheng bought a strange love potion and added it to his drink. He wanted to give it to his female neighbor who came to study at home to drink it overnight. Unexpectedly, he drank the wrong cup and fainted. When he woke up, he found that he was still in his room, and the female neighbor had turned into He married the anime character Fallen Princess, and after being punished by Fallen Princess, he had to obey her orders. However, Cheng still found the opportunity to add a charm potion to Fallen Princess's tea...