In August 2008, Miyano released the character single "Soup/Hakosora", under the name "Mamoru Miyano comes across Setsuna F. Seiei" (宮野真守 come across 刹那・F・セイエイ), it debuted at number 18.
Pada bulan Agustus 2008, Miyano merilis singel karakter "Soup/Hakosora", dengan nama Mamoru Miyano comes across Setsuna F Seiei (宮野真守 come across 刹那・F・セイエイ); yang debutnya berada pada posisi ke-18.