http://leon692.blogspot.com/2012/06/grovel-shoutarou-kojima.html https://www.doujinshi.org/book/513561/Nikutaiha-Gachi!-01/ https://www.mangaupdates.com/series.html?id=133688 *The gallery above is definitely taken from the Nikutaiha Anthology, which was not uploaded here and not the tank one.