Captive Alstroemeria
A large mansion nestled quietly in the forest, surrounded by mist. Succubus hunter siblings Ars and Romelia go to exterminate the demon living there, but they are easily defeated and captured in the
Youmuin:The Nightmaretaker ~Akuma ni Tsukareta Otoko v.1.7.1
Dream Rape Simulator. The developer claims that the playthrough takes over 28 hours and has over 100 variations of events with the girls. The main plot runs slowly, but is definitely worth completing.