证明C.你配得成为一个Geasss power的用户（女主调教 joi）

C.C. has seen you are using her Geass power not efficiently, and she decided to teach you with her cruel and strict methods. And she told you: if you want my power back, you will have to prove your worth first. Obey every command, show your devotion, and maybe she will let you use it again...