>>715081640
So what? She's extremely convenient to have around.

>>715081873
She did that to make herself feel better, not for Koyuki's sake. And let's face it, Yuuka has very few people that she can call friends. Everyone else in Millenium either avoids her at all costs or outright despises her.

Noa is the only person who might care, but she's also got a completely skewed moral compass. If throwing Koyuki under the bus gets her in line, she would do it. Pleasing her beloved Sensei is a nice side bonus.