If you haven't already, try these:
Acting Lessons - Same Dev. No incest, great story, hot characters, animations, music.
Depraved Awakening - No incest, great story, hot characters, animations, music.
City of Broken Dreamers - No incest, great story, hot characters, amazing animations, music.
The DeLuca Family - No incest, great story, hot and charismatic characters, animations, music, no sex (so far).
Pine Falls - No incest, interesting setting, hot characters, animations, some voice acting, music.
Become a Rock Star - No incest, good story, hot characters, animations, music.
Melody - No incest, good story, hot characters, animations, some music.