These small girls are ready to make it big! All 12 or younger and under 149 centimeters tall (4'11"), these aspiring pop idols dream of performing for thousands of people. But with zero experience, they've got a lot of work to do! With the help of their rookie producer, who's almost just as short, can they stay focused and make it to the top?

Tsukasa Akeuraji, a frustrated skater, meets Inori Yuitsuka, a girl who yearns to be a figure skater. Motivated by Inori's obsession on the rink, Tsukasa begins coaching Inori. Inori's talent blossoms, and Tsukasa becomes a brilliant mentor. Together they aim to make her a glorious medalist!

In the year 2043, Infinite Dendrogram, the world's first successful full-dive VRMMO was released. In addition to its ability to perfectly simulate the five senses, along with its many other amazing features, the game promised to offer players a world full of infinite possibilities. Nearly two years later, soon-to-be college freshman, Reiji Mukudori, is finally able to buy a copy of the game and start playing. With some help from his experienced older brother, Shuu, and his partner Embryo, Reiji embarks on an adventure into the world of Infinite Dendrogram.