Adult PC Game: Monster Black Market v2.0.16.0 by Team-Apple Pie Archive

Overview:
Player accepts a secret proposal from 'Amilia', a senior member of the continent's highest crime syndicate.
She gives the player a territory,
where she will test the player by having him run a monster farm and brothel using monsters and slaves.

She offered a period of 50 days.
If the player ran the territory and made a profit during the 50-day time period,
she would accept the player into the organisation to which Amilia belonged.