Koito Koganei trabaja como doncella en el santuario Takamimi, atendiendo los caprichos de una elfa centenaria a la que le encantan los videojuegos.

Un estudiante, Aoyama-kun, investiga la misteriosa y repentina aparición de pingüinos en su aldea, que de alguna manera está relacionada con el poder de una joven que trabaja en una clínica dental.

Hanabi Ayase and her best friend, Yui Aoi, are 6th graders in school. When Hanabi is chosen to work with Yuuto Takao for an upcoming test, she begins to fall in love with him and they both start dating. Yui also falls in love with Kazuma Hiyama, after he protects her from a classmate who talked about Yui behind her back, and they start dating as well. But with physiological changes and more and more obstacles in their love lives, will Hanabi and Yui overcome everything and find true love at the age of 12?