Sakamichi Series (坂道シリーズ Sloped Street Series?), sometimes called Zakamichi Series, is the general term used to address Nogizaka46 and its sister groups as a collective. It is their version of their "official rival" groups' collective name: AKB48 Group.
- Hinatazaka46 (formerly Hiragana Keyakizaka46)
- Sakamichi Kenshusei