A kusa da lokacin da Key ya kammala fitar da farko na na shida na gani labari Little Busters!, Hironori Toba na Aniplex (da kansa a fan of Key ta ayyukansu) kusata Maeda kusa da Oktoba 2007 game da hadin gwiwa don samar da wani asali anime jerin. Maeda ya fara ganawa da Toba da kuma Aniplex a kan wata-wata-akai da kuma labarin ya fara zuwa sannu a hankali. Aniplex so Maeda ya rubuta wani screenplay cewa zai zama sosai "Key-kamar, tare da m lokacin dariya da hawaye", amma Maeda farko samu kansa a wani hasara rubuta wani labari fiye da nishadi Little Busters!, duk da cewa ya yi tunani ya kai iyaka da Little Busters! a cikin wani labari kamar "Key Busters!", Hironori Toba na Aniplex (da kansa a fan of Key ta ayyukansu) kusata Maeda kusa da Oktoba 2007 game da hadin gwiwa don samar da wani asali anime jerin.
yarinya mai jaruntaka, mai gwagwarmaya