Sister Princess Episode 5 English Dubbed Episode Title:E-mailing with Bro.Episode Description:The sisters are beginning to be jealous about the numerous e-mail messages Wataru is exchanging, so they each get RinRin (the invention sister) to make them phones that can send e-mail so they can exchange mail with Wataru. Wataru gets frustrated at all the mail overload and about not having much time to himself, but the girls' innocence and cute messages cheer him up.