Female Kansai Ki-in professional
Nee 石井茜 Ishii Akane. Aunt of Nakamura Sumire. Became shodan in August 2007, 2 dan in 2011, 3 dan in 2014. In April 2019, changed her professional name to Tatsumi Akane, matching her legal name after marriage.
- First female winner of Children's Meijin in 1994 (The next was Mannami Kana).
- Finished 9th in the 1st World Student Oza in 2003.
- One of eight Japanese representatives in the 9th Asian New Star Match.
- Reached the challenger final of the 28th Female Honinbo tournament (2009) but lost to Aoki Kikuyo.
- Won the 16th (2010) Ricoh Pair Go Cup with Sakai Hideyuki, tying with Umezawa Yukari and Takao Shinji.