Eroman: Kami to Pen to Sex to!!
エロまん~紙とペンとSEXと!!~
Sachi and Kotetsu are best friends since high school and now they’re working together as Writer and Mangaka. Kotetsu’s family is really strict so he doesn’t have any experienced before. To be able to draw all the sex scenes, Sachi has to be his model figure.
(Source: MU)