Sister Princess Episode 6 English Dubbed Episode Title:Big Brother is a Prince.Episode Description:Wataru and 12 sisters plus Mami all see a contest to win a special prize and decide to try and win it by putting on a play Yamata wrote called the 12 gentle princesses. Wataru is cast as the prince, and all of the sister plus Mami and minus the occult sister each play the role of a different princess. The play fails and they lose, but they all get consolation prizes.