Daijiro Morohoshi （諸星大二郎）is definitely a weird precursor of Junji Ito but, unfortunately, very difficult to find in English (and even in Chinese). His most famous work is the Yokai Hunter (妖怪ハンター) series of the 1970s-80s. A good overview of his stuff can be found here (Big5), along with a selection of “four favorites” (Big 5).…