"Let's Get It On" is the fourth Japanese single by Super Junior-D&E, released on September 30, 2015 in three editions: CD only, CD+DVD and an E.L.F-JAPAN edition.
- Let's Get It On
- Mr. Nice Guy
- Let's Get It On (Inst)
- Mr. Nice Guy (Inst)
- Let's Get It On (Music Video)
- Let's Get It On (Music Video Making Clip)
- SUPER JUNIOR-D&E JAPAN TOUR 2015 -PRESENT- digest
- D&E Special Interview
- CD Only
- Lyrics: Amon Hayashi
- Composition: Noizebank, Mage
- It's their last release before they enlisted to the military service.
- The music video was filmed in the USA.