Sayo Hoshikawa, a high school student who is self-conscious about his height, has started dating Itsuki Mashiba, his tall classmate whose facial expressions are hard to read, after having strange dreams. How will Itsuki react to Sayo being forced to cosplay as a maid at the school festival? Meanwhile, playboy Haruto begins to have his own wild dreams about Uryuu Asahina, a top student at his little brother's high school...!?