Moe Era contains a hidden scene where Nana talks about the book “Flowers for Algernon” instead of “Winnie-the-Pooh”.
The pre-choice summary
…press Escape to open the menu and then change the language to Chinese. Chinese is the fourth option in the list of languages.
Press Escape again to return to the game, click once to advance to the next line, then go back into the menu and set the language back to English. (If you don’t remember where the menu items are, you can use the above screenshot as a reference.) Then, you’ll get to read a bit about “Flowers for Algernon”!
…Okay, this one is kind of lame, since there aren’t any pictures like there are for the other books. In fact, you don’t even need to bother actually doing it. Here’s all the unique text you see this way:
I promise the next section is better though!
Nana discusses the book
Just like before, go into the menu and change the language to Chinese. Then, click the option corresponding to “Winnie-the-Pooh” — it’s the third one in the menu. After you’ve chosen the book, set the language back to English again.
You have to change the language to Chinese right at this part, even if you already followed the steps in the previous section!
If you’ve done it right, you’ll be rewarded with a unique version of the CG and some unique dialogue:
Thanks to Windows for Workgroups for his great guide, all credit to his effort. you can also read the original guide from Steam Community. enjoy the game.