Answer the question, Kiyana!

Kiyana is homeless, the cook is autistic
The sudden arrival of the answering space allowed them to foresee the established destiny
Looking through the story that should be full of sadness, is there any doubt about what needs to be done?
"As Teacher Jizi said to me, I will do my best to make this world the way we expect it to be!"
"It's us~ Kiyana"
"...Yes, this future that should be sad will never come!"