The war (over Kodaka) between Yozora and Sena:
After v1, Sena > Yozora
After v2, Sena >> Yozora
After v3, Sena < Yozora
After v4, Sena >>>>> Yozora
Yozora is in danger now. If she doesn't do anything, Kodaka will be in Sena's hand
I am also waiting for v5 right now
I have got some spoilers but...
Have anyone heard of someone who shares the same interest with Rika (aka Robot sex)?