The original soundtracks for each work are included: Hotch Kiss "Sweet Kiss", Kiss Bell "Smile Kiss" and Kiss Art "Melty Kiss".

In addition, the new opening of Kissing Bell PS version, "Kissing Bell" sung by Mitsuba Shibuya (CV Nao Higashiyama), and "Melty Kiss" sung by Megumi Nitta are included.
Kissing Bell" sung by Mitsuba Shibuya (CV Nao Higashiyama), and "Sweet Sympathy" sung by Keimi Nitta, the new opening of the PS version of Kiss Art.

Kissing Bell" and "Sweet Sympathy," the new opening song for the PS version sung by Keimi Nitta, are also included.

All of the PS version trilogy is here.