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おくさまが生徒会長！
The story begins with Izumi Hayato running to be student body president. But when a beautiful girl swings in promising the liberalization of love while flinging condoms into the audience, he ends up losing to her and becoming the vice president. At the student council meeting, the newly-elected president invites herself over to Izumi's house, where she promptly announces she is to become Izumi's wife thanks to an agreement that their parents had made, a drunken promise decades ago that their children would one day become husband and wife. Naturally Hayato is against this, but Ui has the complete opposite reaction, and even wants to live with him! Will the upset Hayato and the overenthusiastic Ui be able to manage their school and marital life while keeping it a secret from the other students? Or will the two never come to understand each other's feelings?
Ui wants Hayato to be more affectionate with her...and she'll do anything to get what she wants! But when he isn't responsive enough, she takes matters into her own hands...
Hayato accidentally sees Rin's breasts! And now he can't stop thinking about it. She comes up with an unexpected way to fix this...
The campus photography club has an underground website! They have candid etchi shots of campus girls...and some blackmail-worthy shots of Izumi-kun and Rin from the festival...?!
Hayato and Rin find themselves in danger of committing "indecent coed relations" while trying to stop another couple of students for doing the same thing.
Ui is sweating, burning up, moaning and gasping for air...because she has a cold. Hayato tries to keep his libido in check, but as the evening wears on, that gets harder and harder...
Ayane wants to know what it's like to have a boyfriend, so Hayato is enlisted to be her boyfriend for the day. But how does out student council president handle this...?
Rin finds out that Hayato and Ui are living together! Infuriated and shocked, she has to snoop around for evidence of foul play...and get in their way as much as possible.
Hayato and Ui are enjoying a relaxing evening at home eating dinner and studying. But they're bothered by Rin's numerous visits to her sister's place next door.
Saijou wants to know what romance is like! And she wants to capture it on camera between Hayato...and whichever girl draws the winning slip of paper.
Test scores are up and campus life has generally improved since Ui took office. But Rin still feels a little unsettled. Maybe if she tried dating someone, she would understand Ui's methods. But she insists she doesn't have a crush...
While on the way to school, Hayato discovers that Karen isn't wearing panties. He spends the rest of the day trying to avoid seeing under her skirt...but Karen still seems a little upset.
Rin proposes a Holiday party with the student council and disciplinary committee. During this, Hayato's secret life as a crossdresser comes to light.
