One day, a poor high school student, Yō Satō walked into a supermarket and saw some half-priced bentos on sale. He was instantly knocked down When he reached innocently for his desired bento. When he regained consciousness, he noticed that he was beaten up on the floor. When he looked up, he was stunned by the scene before him. It was a heated battlefield for the half-priced bentos. Being attracted by this unimaginable scene, Yō allied with his classmate, Hana Oshiroi, who was coincidentally in the supermarket, to obtain the half-priced bentos. However, out of nowhere, a beautiful girl, known to others as “The Ice Witch”, beat him down instantly. After grabbing a bento for herself, she walked up to Yō and said.