While most children their age are busy with elementary school, Umi, Sora, and Ao only have one thing on their minds: making money! The girls run their own business for odd jobs, willing to take on nearly any request for the right price. When a concerned parent hires Umi, Sora, and Ao to convince her son to return to school, they struggle to convey the importance of a system they do not participate in.

[Written by MAL Rewrite]