Kawa & Eii (川井, Kawa & Eii) or otherwise known as the Twinkle Sisters (煌めき姉妹, Kirakira no Shimai?), are members of the Impostor Tyrant Pirates and are the two Concubinages to Kojirō. The sisters as like the rest of the impostor tyrant crew members wish to find fame and fortune by using the real Tyrant Pirates name, thus getting a good bit of followers.