℃OMPLETE SINGLE COLLECTION is the third compilation and final album by ℃-ute. It will be released on May 3, 2017 in 3 editions: 1 regular and 2 limited. All editions come with 3 CDs. The Regular Edition includes with 3 bonus CDs containing a Coupling Collection + Rare Track Collection (カップリング集＋レアトラック集). Limited Edition A comes with a Blu-ray of the ℃-ute Special Live 2017 ~℃ocktail in ℃OTTON CLUB~ recorded on Febuary 9, 2017, while Limited Edition B comes with a Blu-ray containing a music video collection. The limited editions come with an event lottery serial number card.