series:
Stringendo: Angel-tachi no Private Lesson Episode 1-12 (2006-2012)

Accelerando: Datenshi-tachi no Sasayaki Episode 1-4(2007-2010)

Stringendo & Accelerando Ultimatum: Sera(2008)

Stretta: The Animation Episode 1-2(2009)

Allargando The Animation(2015)