Originally Posted by
Yukimura
Oka, Hiromi is Shin'ichiro's half sister... The poor mom, no wonder she hates her so much. Having the testament to your husbands infidelity living under the same roof wth you and eating your food and derailing your son has to bite.
With that out of the way it now becomes a struggle between Ai, who's with his best friend, and Noe, who he doens't really like like that. But there's still hope that we'll get an awesome incest angle anyway, since he clearly likes Hiromi the best and his mom probably won't tell him, but we'll find out next ep when she tells Hiromi.