@Bahamut_Zero The first chapter was in Comic Tenma 2015-10 and the second was in 2016-04 He teased a threesome in part 2 but then Tenma stopped being published and we were all left hanging for these years. I know I'm real happy he finally got this out.
Chapter 1 2 young siblings find porn videos and became porn sommeliers as they grew, they decide to make their own porn videos with them as protagonists https://e-hentai.org/s/4d7fcd659e/875768-309