"I never actually came before..." Kanae is just your average college student having trouble with her boyfriend in bed. One night staying at her sister's place, her sister's boyfriend, Yukiji, mistakenly gets in bed with her instead! Kanae's got no idea what to do about the whole thing, and when she finally confronts Yukiji... he doubles down and suggests a pact to do this more?! She knows it's wrong... but can't help but think about all these new feelings...

Under her father the margrave's command, Lewis Ballantine is enlisted in the Monastery Knights to perfect her swordsmanship skills. While it's common knowledge to most of the swordsmen that Lewis is indeed a woman, crown prince and heir to the Flamelance throne, Gerald, is blind to this fact. The night of the ball for knights, Gerald appears suddenly in Lewis's room. While surprise visits are commonplace, Gerald is overtaken by this figure of Lewis he's seen for the first time?!