Yuno Gasai

Japanese Name 我妻 由乃
Romaji Name Gasai Yuno
Nicknames Second, Yunocchi
Series Mirai Nikki
Age 14-15
Weight 49 kg
Height 159 cm (5’2″)
Date of Birth November 16
Blood Type Unknown

Yuno Gasai is a fictional character and the main female protagonist of the manga and anime series “Mirai Nikki”, also known as “Future Diary”. Created by Sakae Esuno, Yuno Gasai has gained considerable popularity for her complex personality and compelling role in the story.


Yuno Gasai is portrayed as a character with a multifaceted personality. On the surface, she appears to be a model student – smart, beautiful, and hardworking. However, it is revealed that she is secretly obsessed with Yukiteru Amano, the male lead. Yuno’s obsession with Yukiteru drives her to extreme measures to ensure his safety and their relationship. She can be described as clingy and possessive, often resorting to stalking him. When faced with obstacles that threaten Yukiteru’s life or their relationship, her thoughts turn murderous and she takes drastic measures to eliminate any threats. Despite her seemingly innocent exterior, Yuno has a dark and unstable side that makes her a complex and intriguing character.


Yuno Gasai’s background is explored throughout the series. She belongs to the Future Diary and is the owner of the Second Diary, which records Yukiteru Amano’s condition and actions every ten minutes. Her diary does not contain any information about her own future unless it concerns Yukiteru. Yuno’s parents are revealed to be among the three unnamed corpses found in her closet, implying that she accidentally starved them to death. It is later discovered that Yuno Gasai comes from another dimension, where she has already won Deus’ game and become a god. To be with Yukiteru in the dimension where the story takes place, she kills the Yuno Gasai from that world and takes her place.


Yuno Gasai has a distinctive appearance that contributes to her overall character design. She is depicted as a young girl with long pink hair and striking red eyes. She stands 159 cm (5’2″) tall and has a slender build. Yuno’s appearance often contrasts with her dark and violent actions, creating an intriguing juxtaposition that adds to her enigmatic nature.


Yuno Gasai possesses several abilities that make her a formidable player in Deus’ game. While her Future Diary does not provide any self-survival aid, it complements Yukiteru Amano’s Random Diary, making for a powerful combination. Yuno displays exceptional analytical skills and adaptability, allowing her to handle unexpected situations with ease. She is known for her quick decision-making and unwavering determination, never hesitating to take action when necessary. In addition, Yuno is skilled with weapons, often carrying a box cutter and using other tools such as kitchen knives and hatchets when necessary.


Yuno Gasai was created by Sakae Esuno for the manga series “Mirai Nikki,” which ran from 2006 to 2010. The character gained widespread recognition and popularity, leading to adaptations in various forms of media, including an anime television series. Yuno’s complex personality and her role as the main female protagonist have contributed to her status as one of the most memorable characters in the “Mirai Nikki” series.
Yuno Gasai’s character has left a lasting impression on fans due to her complicated and unpredictable nature. Her portrayal as an obsessive and devoted individual adds depth to the story and makes her an integral part of the “Mirai Nikki” universe.

Yuno Gasai – FAQ

Who is Yuno Gasai?

Yuno Gasai is one of the main characters in the anime and manga series “Mirai Nikki”, also known as “Future Diary”. She is a high school student who becomes involved in a deadly survival game known as the “Diary Game”.

What is Yuno’s personality like?

Yuno Gasai is known to have a complex and unpredictable personality. On the surface, she appears to be a sweet and innocent girl who is deeply in love with the main protagonist, Yukiteru Amano. However, she also possesses a dark and obsessive side that is willing to go to extreme lengths to protect Yukiteru and ensure her survival in the game.

What are Yuno’s abilities in the Diary game?

Yuno possesses a “Yukiteru Diary” that allows her to predict the future actions and thoughts of Yukiteru, the person she is in love with. This diary gives her a significant advantage in the survival game, as she can anticipate Yukiteru’s moves and protect him from harm.

What motivates Yuno to participate in the diary game?

Yuno’s main motivation for participating in the Diary Game is her love for Yukiteru. She sees the game as an opportunity to be by his side and protect him from any danger. Yuno’s obsession with Yukiteru drives her to become one of the most determined and ruthless players in the game.

Does Yuno have any weaknesses?

While Yuno is a formidable opponent in the Diary Game, she does have some weaknesses. Her extreme attachment to Yukiteru can cloud her judgment and make her vulnerable to manipulation. In addition, her obsessive nature can sometimes lead to erratic behavior, which can put her at a disadvantage in certain situations.

What role does Yuno play in the overall story of “Mirai Nikki”?

Yuno Gasai plays a central role in the story of Mirai Nikki. She serves as both a love interest and a rival to the main protagonist, Yukiteru Amano. Her actions and motivations have a significant impact on the progression of the Diary game and the overall outcome of the series.