By Operation Rainfall Contributor / April 25th, 2016
Publishing company Niche has opened preorders on Amazon.co.jp for their new how-to-draw book Oppai no Kakikata. This book teaches future manga and anime artists the art of drawing breasts. This is made to be some what of a sequel to their first book Pantsu no Kakikata, which taught how to draw panties.
Oppai no Kakikata is available on April 30 from Amazon.co.jp.
SOURCE (warning: NSFW images after link)
oppaiOppai no Kakikata