大发精准单带导师简介：Why her identity is a secret, why Graba always appears in one place to perform a few tasks and then dies inexplicably, then appears in another place, and why Shuichi Akai is no match for her, are all explained.
Why her identity is a secret, why Graba always appears in one place to perform a few tasks and then dies inexplicably, then appears in another place, and why Shuichi Akai is no match for her, are all explained.
