When Yaya, Amu, and Kukai bet that Rima and Nagihiko will become a couple by the end of the school year, they decide to write all their information and schemes in their notebook: The Rimahiko Entries! Ta-da! Filled with Rimahiko, planning, and humor.

"Don't get me wrong. I hate Nagihiko. So why is it that when our lips touched, I didn't push him away?" Will Rima ever come to terms with her feelings for a certain crossdresser while watching an foreign exchange student flirt with him?

Nagihiko makes a bet with Rima that he can make her fall in love with him. Rima is also cast as Rapunzel and Nagihiko as the prince in the school play. Story told through diary entries, texts, emails, instant messages, etc. Rimahiko.

"You know, just because I like Nagihiko doesn't mean I'm going to TELL him that!" Will Rima and Nagihiko eventually give up the pretense of mutual hate and move on to mutual love while dealing with hilarious incidents such a failure of a play...