Kei Toyotomi, or Little Kei to her parents, is a young girl who was kicked out the program to becoming a ninja. Through hard work she passed the academy graduation exam however once she was assigned to her Jonin teacher she and the rest of her team mates where deemed useless. Happosai recommended that the Genin be kicked out rather than sent back to the academy and Kei's carer as a ninja ended there.