Topless boxing: A sport that originated as a traditional ceremony from the distant past. It was a form of dueling to solve a conflict between two women, a rich man who saw the commercial potential attract it to sports. Since then, topleess boxing ha become not only a popular sport, but also a coomon part of life A drug called 'Holy juice' was introduce in to topless boxing by a number of entertainers seeking greaster commercial success. When injected into the breasts, the drug produces more breast milk and intensifies ecstasy. The source of this drug is unknown, but it became a device to give the audience more excitement and enjoyment. As a result, 'Holy juice' beacame part of the official rules. Rule 1: Weight class is determined by breast size, not general weight or height. Rule 2: If you are not in the right weight class, you will be injected 'Holy juice' before the start of the match. Rule 3: If you are knocked down, you will be injected with a single dose of Holy juice. Rule 4: You can freely request a 'Holy jucie' injection during the break. Kiri : main character of the work, play girl. She prefers to steal other girl's men, even after becoming a professional, she often gets into scandals with the managers of the opponents she defeated. Nevertheless, she is undefeated and a clear super rookie.