[Marialite] The siblings who fall from grace after being used as debt collateral 1 [RevMTL]

A desperate sister offers her body to settle her family's debt, only to discover her brother is being transformed into a woman with a mysterious feminizing medicine, setting the stage for intimate, taboo encounters. The tension escalates as the siblings navigate a world where debt, desire, and gender fluidity collide, with the sister's voluptuous form becoming both the solution and the catalyst for forbidden pleasures. Will the brother embrace his new identity while the sister pursues the ultimate repayment, or will their bond shatter under the weight of their secret desires?