With her graceful body and lovely face, Fuka Esumi appears to be a dazzling college student. Everywhere she goes, people glance back for a second to look at her great beauty. However, in truth, Fuka is only 10-years-old. She is an innocent and earnest grade school girl who takes her life at school very seriously as any child would.
Owing to family matters, Yoko moves to live with her relative, away from her family. In a new elementary school, students are surprised by her grown-up look. Completely unaware of her own sexiness and beauty, her childlike behaviors and unique ideas cause problems everywhere she goes.