This thing of ours Episode One by Jellytun Games - Adult Sex Game

You play as an ordinary guy living in a dull, uneventful town.
One fateful night, you attempt to rescue a damsel in distress—but things go horribly wrong.
Just when all seems lost, you're saved by a man with a dark past.
Now, you owe him a debt… and he intends to collect. This is where your journey begins.​