Debuted in 2011 in 18th issue of Fellows with "Hammer Hammer" oneshot. In 2012 changed her pen name from Narumi Kei to Ookubo Kei.
Kei Ookubo
大久保圭
大久保圭
Debuted in 2011 in 18th issue of Fellows with "Hammer Hammer" oneshot. In 2012 changed her pen name from Narumi Kei to Ookubo Kei.
