Something funny happened in the middle of episode 5: this series got really, really good. The last two episodes have been very emotionally effecting. Tenshi is so moe it's almost unbearable. The story behind her persona is quite sad.
I like the anime much. The ending disturbed me a bit but the last scene in the real world somewhat minimized the effect of the sad ending (good enough for me).
Yuzuru's being coming to afterlife after kanade-chan is confusing. I did think of an explanation but not sure if it is correct.