Aru Akise

Aru Akise is one of Yukiteru Amano's friends, and later becomes one of the main characters of the series. Aru is very intelligent and dreams of being a world famous detective when he gets older. Investigating the connections between Yuki and the diary owners, Aru becomes a close ally to Yuki, but an enemy and rival to Yuno Gasai. Aru quickly grows to love Yuki and wishes for him to become God. He is the main character of the spin-off manga Future Diary: Paradox, where he and Muru Muru replace Yuki and Yuno in the survival game after Muru Muru accidentally kills Yuno Gasai while Yukiteru is inj...

Aru is intelligent and logical. Although he was surrounded by people who had future-predicting diaries, he was able to outsmart them. He's also extremely observant, noticing small details, putting them together, and using them to his advantage. He is also very calm and somewhat reserved with his emo...