Nekozuka Serina isn't satisfied. Even though she's fashionable, popular, and smart to boot, she's always found herself gnawing at the heels of the cold and condescending public morals officer Tachibana Reiko. With them now in their third year and a scholarship on the line, Serina must finally defeat Reiko and get the highest exam results in their grade. It's easier said than done! That is until Serina snaps a photo of Reiko visiting a love hotel late at night with an unknown woman and hatches a plan…