In 2006, Nanao teamed up with Naoki Hisaya (main writer of Kanon) to produce the original series Sola. Nanao provided the original character design for the project which was used as a template for the character design in the Sola anime and manga series.
Nanao partnered with Naoki Hisaya in 2006 to develop the first Sola series. Nanao created the original character concept that was later used as a basis for the characters in the Sola animated and printed media.