In this hentai, the relationship between two students of a prestigious academy is presented. Kabuto, a swordsman with excellent swordsmanship skills, a descendant of a powerful family and grandson of the academy's head, and Ruriko Miyako, one of the possible characters in the eroge, also a noblewoman, who was brought up in a rigorous manner and used to follow the rules in everything. Kabuto is a student of the school's Knights, where he has a steady stream of knights. In the last one Kabuto wins, and is now the symbol of the festival until the end of the next tournament. A little while later, Miyako, a participant in the new Knights competition, came to his class and announced that she was his bride from now on. Since then, she has fulfilled the boy's every whim, trying to please him, but continued to be cold in communication, thus confusing Kabuto. He is happy to give her his heart, but has to wonder if she really loves him or just follows his family's traditions. We'll find out as the story progresses.....