Dekiai Shitekuru Gitei to Yamashii Doukyochuu

Alice is a perfect young lady who goes to a prestigious school, but in reality, she is a commoner who loves wearing jerseys. Her parents remarry and her school's most handsome boy becomes her step-brother! At first, Alice is confused as they have to live together, but she is very satisfied with her life with Rio who is a good cook and witty! But Rio, on the other hand, can't stop loving Alice!

This is a sweet and complicated love story about two people who share a dirty secret!