Having another usual day of butler duties, Pina then gives Akiharu passport tickets to a special waterpark "Try Aqualand" as a gift. Tomomi and Selenia confront each other about their affections for Akiharu. Principal Kaede announces for the annual sports day, that the girls use as an opportunity to decide who goes with Akiharu since he only haves two tickets.
After witnessing Selenia kissing Akiharu, Tomomi's feelings for Akiharu reaches a breaking point. Tomomi invites Akiharu to take her on a date, while Selenia spies on their little affection around in town. By the end of the day, Tomomi and Akiharu talk about their childhood conflicts that Akiharu confirms he wanted to be her "bride".
Upon seeing the score result for an exam, Selenia and Tomomi remark their days since their first year meeting at Hakureiryō Academy, where they eventually become rivals to see who's the most diligent and growing lady. Meanwhile, the academy's water system goes out-of-order, and have to use a indoor natural hot spring for the time being, where the servants and uppers are getting into perversions.
A suspicious-looking boy, Akiharu Hino, transferred to Hakureiryō Academy, a boarding school once known for only high-class young ladies. However upon his arrival, he encounters Selenia Iori Flameheart who accuses him a delinquent and causes uproar throughout the campus, until Akiharu meets his wicked childhood friend Tomomi Saikyo who clears the misunderstanding by telling everyone an embarrassing future goal of Akiharu's.