In "Future Diary", what is the name of Yuno Gasai's Phone Diary?

In the anime series "Future Diary," the name of Yuno Gasai's phone diary is the Yukiteru Diary. The diary is named after Yukiteru Amano, the protagonist of the series and Yuno's love interest. This diary allows Yuno to track Yukiteru's every move, including his actions, plans, and thoughts. The name serves as a constant reminder of Yuno's unwavering dedication and obsession towards Yukiteru, as she uses the diary to manipulate and protect him throughout the series.