Time is 20XX-Hina has been imprisoned in jail for innocent charges.
She was there and what she was waiting for was her ruthless and luscious rule by her beautiful guard, Aki Myojin.
“From the black wing prison … Do you think you can escape from me?” In
the physical examination, in prison, and until the meeting with your lover …, the fate of Hina who is at the mercy of her heart and body-!?
