Yukiteru "Yukki" Amano (天野 雪輝, Amano Yukiteru) is the main male protagonist of the Future Diary series. He is the First Diary Holder and in possession of the "Observance/Indiscriminate Diary", also called as the "Random Diary" in the anime. He is the love interest of Yuno Gasai in the Future Diary series and Aru Akise in Future Diary: Paradox (a side story in a separate timeline).