People be hating on the dad for being neglectful and ignorant and I definitely agree but I don't think he is to blame. Some people just have no idea how to deal with a situation like this and don't know what to say so they end up saying... Nothing. It's shitty but it is definitely a human way to...
This manga is so fucked up, Seiko keeps emotionally tearing up Seiichi's reality and putting it back together to suit her. The real scary part about this manga that I can actually image sociopaths doing this to real people. And the faces, oh the faces terrify me in a way I didn't know was...