- Real name: Classified
- Birthday: January 18th
- Website: http://www.harunaba.jp/#home
- Twitter: https://twitter.com/haru_naba
- Soundcloud: https://soundcloud.com/haru_naba
Harunaba is a Japanese music producer who has won several SOUND VOLTEX FLOOR contests. Inspired by game music, he specializes in hard rock and fantasy music genres. His doujin label is Harunaba_Home and has appeared on other circles such as Riverside, pichnopop and C.H.S.
- Harunaba is well-known for being a big fan of the HinaBitter♪ series.
- Harunaba also has contributed to BANDAI NAMCO's 太鼓の達人, NEOWIZ's TAPSONIC TOP, and SEGA's CHUNITHM and オンゲキ.
- PiyoPiyo Kitchen
- Retrospectively・Candy Colored Days (2015)
- PiyoPiyo Fantasy (2018)
- Irregular Diary (2018)
- 虹色＠θ菜園 (2015, with m@sumi)