这是发生在青希空高中的美丽爱情故事。三岛春来和好朋友本田塔羽一起升入了青希空高中。虽然他们各自都有喜欢的女生，但是却迟迟没有开始恋爱。在按部就班的度过着校园生活的同时，他们也认识了一批同级的好朋友，三岛春来一直默默的喜欢着爱读书的女孩真四季美春，因为一本真四季美春送给他的书，名字叫做《人鱼的王子》的故事绘本开始对游泳产生了兴趣，加入了学校的游泳部；本田塔羽表面上是一个轻浮的人，但是在轻浮的外表之下，他的个性反而非常的认真，命运让两个性格截然不同的人之间擦出火花，他爱上了班级里的优等生三真珍珠

因为心中的爱情开始悸动，一如往常的上学路和便利店，风景也开始变得渐渐不同。唯美浪漫的纯爱故事就此展开。

This is a beautiful love story that happened in Qing Xikong High School. Haruki Mishima entered Aokisora High School with his good friend Towa Honda. Although they each have girls they like, they haven't started dating for a long time. While living the campus life step by step, they also met a group of good friends at the same level. Mishima Haruki has always been silently in love with the girl who loves reading, Maji Miharu, because of a book that Majimi Miharu gave him. , a story picture book called "Prince of the Mermaid" became interested in swimming and joined the swimming department of the school; Honda Touwa is a frivolous person on the surface, but under the frivolous appearance, his personality is very Seriously, fate sparked sparks between two people with completely different personalities, and he fell in love with the top student in the class, San Zhenzhu

Because the love in my heart began to throb, as usual, the scenery on the way to school and the convenience store began to change gradually. The beautiful and romantic pure love story begins here.