Chiaki Nagato (長戸千晶, Nagato Chiaki) (born April 13, 1987),formerly known by her stage name, Tsubaki Aoi (碧井椿) is a Japanese businesswoman, onwer of beauty salon "Chiakiss", CEO of Malaysian entertainment company "Chiakiss Malaysia",[2] realtor, YouTuber and former singer and vocalist of the punk-rock band Pinc Inc[3] under Giza Studio.
In 2002, during the time when she attended to music school Little Cat, Nagato has entered the audition "Asian Ultra Idol Audio" by using her the maiden name Chiaki Masui (増井千晶), produced by Ryuichi Kawamura.
[6] In 2007, she mad her first stage appearance on the venue Hills Pan Kōjō, one month later she made solo debut with the single Mirai Wo and was signed under Blue Splash agency.
In 2008, she became the lead vocalist, guitarist and lyricist of the band Pinc Inc.[3][8] Their biggest hit was final single So faraway, which served as an opening theme to the anime television series Golgo 13.
[10] Since 2016, she is regularly being interviewed and appears in the writing corner "Chiaki's luxury style" (チアキさんのラグジュアリースタイル) on the life-style and fashion magazines 25ans[11][12] In 2019, she confessed publicly about her past musical activities through her Instagram post for the first time in 10 years.