Interested to read this tonight and how Oremo is the latest (after Amagami SS and Yosuga no Sora) to have alternative end. I wonder if this is an attempt by the industry to make the viewers experience more interactive/game like? Also, was this all kicked off by Clannad's another world chapters, or were there other, earlier shows to have alternate ends?
Anyway, if there is to be a 'bad end' to oremo this is what I'd like to see happen-
Option 1: Kyousuke and Kirino begin an incestuous relationship, only to get discovered and kicked out on the street. Kirino turns to whoring to support her onii-chan and his new crack habit, only for him to OD and her to commit suicide
Option 2: Kyousuke gets together with your choice of Kirino's friends, only for her to go totally stabby and murder the pair with a cleaver borrowed from Rena Ryuugu.
Option 3: Kyousuke and Kirino get together, only for her to fall pregnant. the baby has 6 toes on each foot.