Nope, different characters for the given name (mangaka is 理代子 and NJWA member is 亮子), and the mangaka is also Riyoko rather than Ryoko (not just a romanization difference). Honestly, I can’t even be absolutely sure if her name is Ryoko–it’s the most common name reading for those kanji, but it could be Akiko or something else for all I know
I wonder if that’s the same Ryoko Ikeda who wrote the Rose of Versailles manga.
Nope, different characters for the given name (mangaka is 理代子 and NJWA member is 亮子), and the mangaka is also Riyoko rather than Ryoko (not just a romanization difference). Honestly, I can’t even be absolutely sure if her name is Ryoko–it’s the most common name reading for those kanji, but it could be Akiko or something else for all I know