You Don't Love Me Back, also known as Kasumi to Akane to Toofuu-Sensei, is the first instrumental piece included in track eight as part of the Musical Dojo Vol. 1 album. The other instrumental piece included in track eight is "The Tofu Waltz". An extended 3 minuted 33 seconds long version of the track, titled Sakuhin #1, can be found in the compilation album Music Ironman Collection.