Kidou Eita is the protagonist of this anime. He is a high school student with excellent grades and is currently in the first year of high school. At the same time, he is also a person who opposes love. Eita Kido was originally living a very ordinary high school life with her childhood sweetheart who was like her younger sister, but one day she was confessed to by Natsukawa Masuzu, who is recognized as the school's number one beauty. Xiachuan Maliang is also a child who returned from studying abroad. But Masuzu's real meaning is to deceive everyone, so Kidou Eita and him are required to pretend to be a couple. After that, his ex-girlfriend Yixiang and his fiancée Aiyi also joined in, and the tragic Shura field surrounding Eita Kidou kicked off. In the end, Eita Kido was gradually infected by this atmosphere, and gradually fell in love with Masuzu Natsukawa, and was no longer a so-called love opponent