Prefer to read at Bato.to for official translations. I remember reading this on Webtoon when I was around 13 years old. Hadn't stopped laughing for so long. My family would wonder why I was smiling so much at my phone(jokingly saying who I was messaging). + Love Advice from the Great Duke of Hell is Hella hilarious from Webtoon too. It is not available here though.
You may feel your favorite manga should be gathered together into distinct categories for your own reference and, now, you can do this with a LIST. After you've created your list or lists, you can proudly recommend them to other manga fans to showcase and share your taste in manga.
Concubine Walkthrough