Future Diary Codexery

Second Yuno Appearance

A lover from a dead world seeking to rewrite fate itself.

The Second Yuno Appearance refers to the revelation that the Yuno Gasai the reader follows for most of *Future Diary* is actually an alternate version from a previous timeline. This Yuno won the first Diary Game by becoming a god, then tried to resurrect the Yuki of that timeline, but discovered not even the power of a god could bring back the dead. In her sorrow, she went back in time, creating a Second World in the process, and killed and replaced her other self — the original Yuno Gasai of that timeline. She serves as both protector and antagonist, driven by a desperate need to rewrite fate across dimensions.

Identity
Second Timeline Variant
Origin
Second Game Cycle
Role
False Protagonist / Antagonist
Status
Deceased
Diary Type
Yukiteru Diary
Weapon
Knives, axes, swords, pistols, submachine guns
Motivation
Obsessive Possession

Lore & Background

To secure her position in the Second World, she murdered the original inhabitant of that world who shared her name and appearance. Yuki discovers the corpses of Yuno's parents, as well as a third corpse, within a quarter of her home. Through Aru Akise, an artificial human created by Deus to witness the events of the Diary Game, Yuki learns that the third corpse actually belongs to the Yuno Gasai of this timeline — and the Yuno he currently knows originates from another timeline. She assumed that identity seamlessly, manipulating events from behind the scenes while appearing to be a loyal partner. This deception highlights the tragic lengths of her affection, blurring the line between devotion and madness.

In Their Own Story

Exposed in the end, Yuno uses her powers to return to the past again, creating a Third World, in order to relive everything again. Yuki and Minene Uryū, the Ninth Diary Holder, follow her to change all their terrible futures, including Yuno's to prevent the Diary Game from happening. Thinking she is just using Yuki, she tries to rid herself of him by sealing him in an utopia of illusions, but he breaks free using his love and force. Realizing that she really loves Yuki, Yuno commits suicide to let him win the Diary Game, allowing him to become the God of Time and Space of the Second World.

Reader's Guide

During the final arc, suspicions mount regarding the true nature of the girl standing beside the protagonist. Clues emerge suggesting inconsistencies in her memory and behavior that do not align with a standard participant. The investigation leads to a hidden location where multiple bodies are discovered — the corpses of Yuno's parents, as well as a third corpse belonging to the original Yuno Gasai of this timeline. This revelation shatters the trust between the diary holders. It becomes clear she has traveled across dimensions specifically to secure victory by eliminating rivals before the game even begins. She admits her actions were driven by an obsessive need to remain with him regardless of the cost or reality. The conflict escalates into a desperate struggle for survival, where past and present versions collide in violence. Ultimately, this entity represents the ultimate corruption of love within the system. Her defeat — her suicide — marks the end of the cycle's repetition, forcing the protagonist to make an impossible choice about godhood itself. The aftermath resolves the immediate threat but leaves lingering questions about fate and free will across the multiverse structure established by the deities.

Did You Know?

Frequently Asked Questions

Who is the Second Yuno Appearance in Future Diary?

This character is actually Yuno Gasai from a previous, completed timeline who traveled back to replace her original self. She won the first game but realized godhood could not bring her lover back, leading her to reset reality.

What role does she play and what are her powers?

She acts as both a false protagonist and a primary antagonist, wielding the Yukiteru Diary alongside various weapons like knives and firearms. Her main ability is using knowledge from a past cycle to manipulate events while hiding her true identity.

How does Second Yuno's story end in the canon timeline?

After being exposed as the intruder from another world, she ultimately sacrifices herself to ensure Yukiteru can become the new god. She dies peacefully after finally accepting that she cannot change fate without destroying everything else.

Why is her existence important to the overall plot?

Her presence reveals that the Diary Game has been played before and highlights the tragic consequences of winning it. This twist recontextualizes the entire series, showing her actions as a desperate attempt to fix a past failure rather than pure madness.

Did she kill the original Yuno Gasai?

Yes, upon arriving in the current timeline, she murdered the original Yuno from that world and took her place. This allowed her to live out another chance with Yukiteru while concealing her true origin as a time traveler.

More in Story & Timeline

Elsewhere in the Future Diary universe

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