Netorare Pilgrimage of the Saint

NTR to protect peace.
To this end, during a certain ceremony, the lover Tsubaki is ordered to be a s*x s*ave of the Demon Lord’s Army. Her mission would send her on a pilgrim to devote her body to each official of the army.
Initially, the protagonists Trelle and Tsubaki want to resist, but after cuckolding and being cuckolded, they learned the pleasant feeling of being deprived of their lover.
As they journey, their hearts and bodies change, loving each other even as they succumb to the Netorare play.