Genderswapped Koizumi Itsuki's name is 古泉一姫, which is read exactly the same way even though there is different kanji on the end to make it a female given name.

Seems the opposite of the Kyon/Yuki dyanamic (Where it's Kyon that does the head petting)

That's funny, even though this is in Chinese, Nagato's staring sound effect is still written as じー