Kiyohira doesn't wait for his grandmother. He needs to get to his house as soon as possible. If his grandmother chooses Chisa, he won't hesitate to disown the name of Kamiyama. He has already made clear who he wanted when he talked to her last time. Even if she is his grandmother and he respects her, this is his limit. He needs to have a talk with his grandmother. He will reveal what kind of person Chisa is.
When Grandmother Kamiyama comes out, she doesn't see her grandson. Huffing, she gets into her car to go back to the Kamiyama mansion.
At the mansion, Rie is completely unaware of what is coming for her. She is busy looking into Chisa's phone. After decoding it, she plans to put the phone where she found it. Chisa will look for the phone. She doesn't want that woman to be suspicious of her. Yet.
The pictures on the phone make her blood freeze.