Kumi Okazaki 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.
Her family name "岡崎" means "Cape Hill".
She seemingly has a sweet and gentle nature, always smiling and can come off as shy, though this belies her seemingly natural ability to understand the game and overwhelm her opponents with her clan of choice.
She uses an
Oracle Think Tank deck, based around the Battle Sisters sub-clan.
during their middle school graduation