
Quick answer — "Tameiki no Hashi" by the Kuricorder Quartet and Shione Yukawa is the opening theme of Allison & Lillia.
"Tameiki no Hashi" by the Kuricorder Quartet and Shione Yukawa is the opening theme of Allison & Lillia.
"Tameiki no Hashi" is performed by the Kuricorder Quartet and Shione Yukawa.