Ryou boasts the largest bust of any shoujo manga protagonist thus far. However, her life is far from easy since she is routinely targeted by lecherous individuals seeking to grope her breasts. The only man immune to her charms proves to be the individual she desires to obsess over her, although there is something unusual about him. One moment he is a submissive sweetheart, and the next he is a dominant sadist. Which role does Ryou prefer, the S or the M? She will have to choose since she cannot have both. Discover the surprising explanation for the dual personalities of this enigmatic figure.
In addition, the following one-shots are included:
Volume 1: "Gattsuiteke! (It's Unintentional!)"
Volume 2: "Natsu no Ouji-sama (Prince of Summer)"
Volume 3: "Shiitake. (The Mushroom Girl)"