Not convinced by this manga. It could have been a nice story if it had not tried so much to make a total insensitive moron become the perfect brother without a believable development. It really lacks any form of subtlety and some scenes are borderline ridiculous, like the one when the brother tries to convince an 8 year old girl that their family would split at some point. There are good moments but the pace and writing are not good enough for such a subject.