Kumi Okazaki (岡おか崎ざき クミ Okazaki Kumi) is one of the characters in Cardfight!! Vanguard G. She uses the Oracle Think Tank clan. Although a newbie to the game, she is under the tutelage of her classmate and friend Tokoha Anjou and has seemingly gravitated towards the Battle Sisters Sub-Clan. In Cardfight!! Vanguard G: NEXT, she is a member of Tokoha Anjou's newly formed team "Jaime Flowers" alongside Satoru Enishi.