Why did Sumire's summoning Nue act strangely in response to...

Isshiki being an enemy of Kaguya. So perhaps Nue sensed hostility and opposition from Kawaki’s karma seal? That is all the information we have for now. It’s possible that we will learn more about them later on.

THAT’S ALL FOLKS!!

I think that Nue was acting up due to its origins relating to Kaguya, whereas Kawaki’s Karma is from Isshiki.

Ive been pretending to be okay and acting as normal as possible, but Im actually completely heartbroken after a recent breakup. Its painful and really affecting me, to the point where I cant concentrate at work, Ive lost my appetite, I cant sleep, and It feels as if my whole world has been turned upside down. I loved him so much. He said so many cruel things to me and it made me realize he must not have loved me the way I loved him, or he wouldnt have said such horrible things. How do I handle the heartbreak and why cant I accept that he didnt love me and just forget about him?

Why did Sumire's summoning Nue act strangely in response to Kawaki's karma?

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