[ In her mind, if she can help anyone overcome anything, even with her small doubts and insecurities, she's pretty much happy. So, helping Yu out was more than just a duty as a friend - it was rewarding and made her feel that she could do things without them blowing up badly in her face. ]

How could I not? After you helped me with my other self, I couldn't just leave you there to suffer because that's not what friends do, right?

[ Any sort of bond she can forge is an important one, she'll admit. And so, when he bows, she'll curtsy and straighten up once he does too. She'll definitely catch that mask and wave slightly at Izanagi. ]

Now, I think you'll like what I got you.