Mokumokuren is not a known author but rather a supernatural being from Japanese folklore. It is a type of yōkai, which is a class of spirits and monsters. Specifically, Mokumokuren often appears in old, torn shōji (the traditional paper sliding doors in Japanese architecture) as a swarm of eyes that peeps through the holes in the paper. They are typically considered harmless but can be an indication of a neglected or haunted house. If you were looking for an author and there has been a recent emergence of an author by that name, I do not have information on them due to my knowledge cutoff.