Regular Edition
1. Deep in your heart
2. ＋MILLION but −LOVE
3. UNBREAKABLE
+ Special "Juuousei" illustration

Limited Edition A
1. Deep in your heart
2. ＋MILLION but −LOVE
3. Deep in your heart (Backing Track)
+ DVD: Deep in your heart PV

Limited Edition B
1. ＋MILLION but −LOVE
2. Deep in your heart
3. ＋MILLION but−LOVE (Backing Track)
+ DVD: ＋MILLION but−LOVE PV