It's time for the Cordial Competition, in which the winner gets to make any one school rule that they wish. The challenge is a dance-off, and Rintaro finds himself paired with one of the three dragons - Kyoka! But the challenge of undergoing special training with the highly exposed Kyoka in her enormous estate is something else altogether! What maladies, misconceptions, and mishaps await? Will it be a never-ending survival dance in an overexposed hell?