Nasty slave training plan

Meiling, a skilled martial artist, participates in battles at the arena to repay her debts.
She has an impeccable record, having never been defeated.
Like any other day, she planned to emerge victorious in her upcoming fight, but a group of men grew resentful of her constant wins.
They resorted to poisoning her food prior to the battle.

As a result, Meiling loses control over her motor functions and becomes a victim of sexual harassment by her opponent, in front of the crowd. Overwhelmed by the situation, she longs for it to end.

As the sun sets, it seems that things are finally reaching a conclusion.
Meiling's hope is rekindled, and she lets out a sigh of relief, only to suddenly lose consciousness.

When Meiling regains consciousness, she discovers herself confined in an underground room. Unfortunately, her torment has only just begun...