天海春香 、 如月千早 、 萩原雪歩 、 水瀬伊織 、 三浦あずさ 、 我那覇響 、 秋月律子

Comprised of:

1. 天海春香 Female Character, Began: 2005 in
2. 如月千早 Female Character, Began: in
3. 萩原雪歩 Female Character, Began: in
4. 水瀬伊織 Female Character, Began: in
5. 三浦あずさ Female Character, Began: in
6. 我那覇響 Female Character, Began: in
7. 秋月律子 Female Character, Began: in

Recordings (2)

1. Happy! (M@STER VERSION) 4:28 (20 Jul 2016)
2. Happy! (M@STER VERSION) (オリジナル・カラオケ) 4:27 (20 Jul 2016)