Look at the demo picture here

示例图看这里吧

https://www.pixiv.net/artworks/107257177

tag:multiple girls, sisters, 2girls, euryale (fate), stheno (fate)

only 2girls can use.

Me: Can you tell them apart?

AI: I can't

Me: Great, I can’t either, so let’s train casually

反正我是分不清她俩，所以训练起来太tm容易了，完全不用担心会互相污染