Sword Art Online Alternative Gun Gale Online, Vol. 1 (light novel)

The fact that Kohiruimaki Karen is 183 centimeters tall has always been something she´s felt extremely self-conscious about as an introverted high school girl. But in the world of games, she can be whoever she wants to be! In the popular Gun Gale Online game, she´s Ren, a short, all pink, P90 wielding bombshell who´s aiming to win the next battle royale!