Griseo drew manga because she wanted to make money. It wasn't impossible for her to create something entirely original, but that would be too slow. Besides, she wasn't very confident in it.
Especially now, when she needed money!
The Yotsuya family wasn't well-off either. If she stayed here long-term without a sufficient source of income, relying solely on Mrs. Yotsuya's salary would undoubtedly be very difficult.
So if there was manga with guaranteed decent sales, that would naturally be the best choice.
Although a long time had passed, her soul had become a "god." As long as she searched through the images buried deep in her memories, she could find them.
Copying across worlds might be a little questionable morally, but it was definitely not illegal. And since she didn't need to come up with the plot herself, she could draw quickly without having to worry about not having inspiration today or being unable to write the day after tomorrow.
When it came to oil paintings, Griseo often had times when she lacked inspiration and couldn't bring herself to paint.
She only wanted to make some money from manga, and she didn't want that happening here too. So being a copycat was naturally the best option. She would pick a few manga series and be satisfied once she had earned enough in manuscript fees.
It was just that most manga in this world already existed. The Big Three were even more out of the question. Otherwise, simply copying any one of those three would have been more than enough to live on.
After ruling out a whole series of existing manga, there were very few choices left. But at least there were still some...
Those manga that should have appeared long ago had not left a single trace on this