Giuliano, vice-president of the Rose Group, is surprised and delighted when his tutor Shinobu Yuzuki, whom he had a crush on a year ago, is appointed as a mathematics teacher.However, Shinobu rejects Giuliano even when they meet again, yet Giuliano's feelings for him grow stronger...!? Nicola is the son of a fallen noble family who sells his body at the school for money. William from the school store treats Nicola kindly, and the gentlemanly Wilhelm offers to help him. Nicola finds himself attracted to both William and Wilhelm...!? A secret love that takes place at Roselion Academy, where the sons of royalty and noble families from all over the world gather—the long-awaited first volume containing episodes I and II!