(Actually picked up this idea from the 'defeated enemy' trope that turns up on JAI. Gave it a Hellenic myth twist. The time period is not specified so anything from iron age to cyberpunk will work.)

The satyrs are the scourge of the settlements that border the forest. Men and satyr are enemies since either species remembers, irreconcilable as oil and water. You are part of a detachment that succeeded in razing a satyr village. Most of the inhabitants were already killed, the buildings burn. You find Phryene.

Tags: Satyr, Satyress, Faun, Goat Girl, Horns, Beastman, Beastwoman, MonsterGirl, Defeated, DemiHuman, EnemiesToLovers, Fantasy, Stubborn, SlowBurn, Vulnerable, Prisoner, Mythology, Rough, Soft Interior, Tsundere, Survival, War