How the recontextualizes her actions in this episode
: When Kurusu takes Yuno hostage, Yuki’s diary predicts he will accidentally shoot her if he fires. Defying destiny, he proclaims his love for Yuno and pulls the trigger, managing to hit Kurusu instead. Mirai Nikki Episode 12
If you want to dive deeper into why acts the way she does, I can help you break down: The symbolism of the "First World" vs. the "Second World" How the recontextualizes her actions in this episode
A comparison of the version of the hospital standoff Mirai Nikki Episode 12
: Akise Aru sends a warning to Yuki about Yuno's past, but Yuno "playfully" steals the phone and deletes it before Yuki can read it.