Mangas with 'ugly art'?

okay, not really ugly. just very extreme facial expressions. by this, i mean like zippy ziggy, yasuko to kenji, and ...seishunchuu!. i really like the kind of crude humor they have (junai tokko taicho is also similar) and i was wondering if there are any others like this. personally, i prefer it to be shoujo. just please no ecchi (haaated that about zippy ziggy). thanks :)