What a beauty adventure. I played this at 4am this morning and the overall gameplay, atmosphere, puzzle's just fitted in with my mood. I also forgottent that I had played Eliza's Requiem by you as well. Both fantastic adventures mate.
I think your right about ENDO feeling like a spiritual successor to Eliza's Requiem which I totally enjoyed playing. MMmmmmm, I going to played it again and do another video.