Barazono Avu (薔薇園アヴ; "Rose garden Avu"), also known as Avu-chan (アヴちゃん), is a member and lead vocalist of Ziyoou-Vachi.
They are the lyricist and composer of the band's songs, credited in these capacities (and when writing songs for other acts) as Barazono Avu-sama (薔薇園アヴ様).
An earlier version of the bands's official English website and an 2015 English interview used feminine pronouns for Avu-chan; the current version of site as of December 2020 does not use any.
They are also a member of Gokumonto Ikka (獄門島一家, "Prison Gate Island Family"), a supergroup comprising Avu-chan on lead vocals and also trumpet together with Nagaoka Ryosuke on guitar, KenKen of Rize on bass and Nakamura Tatsuya on drums (both Ziyoou-vachi and Gokumonto are titles of novels in the Kindaichi Kosuke series by Yokomizo Seishi).
- Name: Barazono Avu
- Nickname: Avu-chan
- Birthday: December 25
- Zodiac: Capricorn
- Blood Type:
- Position: Lead vocalist, second guitar
- Has written in the lyrics of the song "HALF" about prejudices from other Japanese people faced on account of being Japanese with a mixed-race appearance. They described their intention for the song "to be seen as neither attacking nor protecting, but carving the path to fate to move forward."
- Their sister is Ruri-chan, also a member of Ziyoou-Vachi.