Futari no Kimochi no Honto no Himitsu

Futari no Kimochi no Honto no Himitsu (ふたりのきもちのほんとのひみつ, The True Secret of Our Feelings) is the ending theme song of the Kill Me Baby anime series, which was sung by Chinatsu Akasaki and Mutsumi Tamura.

You can listen to it here:

Characters in Orders of Appearance

 * Yasuna Oribe
 * Sonya
 * Agiri Goshiki