Hello everyone, this is Troubleshooter development team. The OST of Crimson Crow DLC is released. We first apologize for the delay in the release due to a communication error between Steam and the development team. You can purchase OST through the link below, and you can get all the components of the game at a discounted price by purchasing Complete Collection. https://store.steampowered.com/app/2670390/ https://store.steampowered.com/bundle/33628/TROUBLESHOOTER_Complete_Collection/ Thank you very much.