Well, technically Verniy's right, since Ushio (Special Type #20) is her onee-chan after all. And she's yours too, Akatsuki. Or should I say Lady Special Type #21.
Onee-san.Can you take a look at this question for me?Ah,Eh...Sure, sure.Ushio, can you take a look?Me?HmmI-I'm sorry!!!Onee..?Lemme see?My mistake.