Kijima Aka had a dream. In the dream, she and an orange haired boy KISSED under the setting sun. <3 And that boy just happens to be the guy who's in the same class as her, Shimizu!! She always thought Shimizu had some kind of grudge against her because he seems like he really hates her. But one time when they got the chance to become class monitors together, she realized that everything was a misunderstanding...
After that, there are also short stories on how Shimizy views Kijima Aka, make sure you don't miss out! <3