
Quick answer — "Sayonara no Omajinai" by the Kuricorder Quartet and Sō Matsumoto is the ending theme of Allison & Lillia.
"Sayonara no Omajinai" by the Kuricorder Quartet and Sō Matsumoto is the ending theme of Allison & Lillia.
"Sayonara no Omajinai" is performed by the Kuricorder Quartet and Sō Matsumoto.