Escape from the Mansion of Cowgirl Maids

One day, the adventurer Sora (name can be changed) awakens in an unknown mansion. There, cowgirl maids live, and because they want a cute "master" to dote on, they confine Sora inside. The cowgirl maids spoil Sora with their breasts, trying to make him dependent on them. Can Sora escape before giving in to their temptations and being turned into their true "master"...!?​