When hard-nosed American business CEO corporate boss person Karen the ferret goes on a business trip to Japan, she catches a very specific kind of yokai ghost virus called the nebutori: a virus that makes women grow bigger and fatter as they sleep. An 8 page fat and macro growth comic written by Neko-Gami!

You can get the whole thing for a mere $5 dollar-ee-doos over at my e-junkie:
http://www.e-junkie.com/muffintop/product/504094.php#Nemusshibo