Despite the potential benefits of having a friend who knows everything about you, Nishikata is finding the opposite to be true. His classmate, Takagi, takes delight in teasing him on a daily basis due to her extensive knowledge of his personality. Unfortunately, Nishikata is unable to outsmart Takagi as she is always one step ahead, predicting his every move. Nevertheless, Nishikata remains determined to flip the script and catch Takagi off guard with his own teasing in order to make her blush.