简介：AnactionfigureaficionadonamedRyoutafinallycompletesarareactionfigurecollectionbybuyingadollinAkihabara.Hisjoyisshort-lived,however,whenagroupofjuveniledelinquentsstealsitfromhimonthewayhome.Totallydefeated,Ryoutawandersintoatinyback-alleyshopandfindsanevenrarermodelofagirlnamedAiruforsale.Herusheshometoassembleit,andtohisastonishmentAirucomestolifeandinstantlyfallsinlovewithhim.