- Source: Single Collection: Nikopachi
Single Collection+ Nikopachi (シングルコレクション＋ ニコパチ) is Maaya Sakamoto's second singles collection. The limited edition version of the album was available with a DVD containing music videos. The album debuted at #3 on the Oricon weekly charts and sold 69,966 copies, this is Maaya Sakamoto's best selling album so far.