[Crani]

Boy, this story has been highly milked, 2 movies and one Manga, excluding the media coverage that is usual in this types of situations.
But it's no wonder something like this would happen, because we are animals, and our animal like instinct that has been repressed with the evolution of society and some people just can't contain themselves and do this sort of things, and it seems that the leader of the group thought just 'cause he was a small time Yakuza he could do anything, so... that can "help" this situation...