Scary diary exchange with an obsessive girlfriend.

Starring popular virtual YouTuber (Hololive)

Main character 「Hataro」has a girlfriend and is a socialable regular high school student

It’s a diary exchange. It’s popular these days Hataro-kun. Don’t you know? Everyone’s doing it.

The girlfriend 「Utsuro」’s idea to start the popular diary exchange.

The slightest trigger was the beginning of a nightmare...

This game is a visual novel, an exciting yandere game like doki doki literature club.

「Utsuro’sdiary」is recommenced for the following.

People who like obsessive lovers,clingy ,sweet and sour games.

People who like love adventure

People who like horror

People who like novel games

People who like virtual youtubers

People who did diary exchanges in the past

Peopl who like playing games that make you feel or become depressed.

Important points

This application doesn’t support data recovery. Please manage data at your own risk.

About secondary creation/ video distribution

For live streaming ( live commentary) of the game 「Utsuro’s diary」, only the main part of the game is allowed to be recorded or used for commentary

Please note that additional content part when charging will not be accepted.

Please obey the following 2 points

① specify the name of the game in the title of the video/streaming

② Post the game’s official homepage•link, application’s download link in the description bar of the video/streaming.

「Utsuro’s diary」official site.

CHARONUniverse(CHARON official site)

This game’s download address

It is possibly to create secondary illustrations freely.

However, it’s prohibited to extract and use the illustrations and music in the game.

On older phone models,, the operation may lag.

Important points of the game

If you use an older phone model, the application may lag or won’t work smoothly.

You are able to download this application to almost all types of smartphones but we can’t guarantee that it will operate smoothly. We don’t accept any complaints about the application not working on older versions of a smartphone

Before charging, please make sure to play the main game once and checked that you have played until the end. In adfition, we don’t accept any questions or complaints about charging because the game application will fall.

Furthermore, due to bugs and malfunctions of the player’s smartphone, payment may not proceed smoothly. In that case, we don’t take any responsibilities.

Please only play and charger if you agree to the above.

"Utsuro Nikki" is a horror game based on the concept of exchanging diaries with a hollow girl. As the protagonist, the player becomes a girl's friend, confronting her inner darkness while unraveling the mystery of her creepy diary.

The stage is school life that is common at school. Dark rooms, dimly lit corridors, and eerie music and sound effects add tension to the player.

The game progresses in the form of an exchange diary. The protagonist can obtain her girl's diary and send her his own diary. The contents of the diary are written about the girl's depressive symptoms, her internal conflicts, and experiences of strange phenomena. Depending on the player's choices and actions, the girl's state and the progress of the story will change.

Mysteries and codes are hidden in the girl's diary, and the player will face the terrifying truth, such as the existence of the girl's trauma.

The ending branches depending on the player's choices and actions, and the girl's fate and the player's own fate are affected. Also, certain choices and behaviors may cause players to suffer from depression themselves.

[Effect of the game]

Psychological Horror: Over the course of the exchange diary, details about the girl's depression and eerie events will be revealed. The player can feel tension and anxiety by touching the darkness of the girl's heart. As the story progresses, the player himself feels a connection with the girl, and the fear increases as he gets involved in spooky events.

What's New in the Latest Version 61

Last updated on Jul 3, 2024

"Shop" has been added.

Content

Obsessive Love: Utsuro’s Diary chronicles the unsettling descent of a young man named Utsuro into obsessive love, documented through his personal diary entries. The game unfolds through these entries, providing a fragmented yet chillingly intimate look into his deteriorating mental state as his infatuation with a girl named Rin spirals into dangerous obsession. The narrative skillfully employs the diary format to build a sense of mounting dread, slowly revealing the extent of Utsuro's fixation and the disturbing lengths he is willing to go to in order to be close to Rin.

Initially, Utsuro’s entries portray a typical schoolboy crush. He describes Rin’s beauty, her kindness, and his shy admiration from afar. He fantasizes about spending time with her, imagining scenarios where they share laughter and build a connection. These early entries, though tinged with a hint of longing, appear relatively harmless, reflecting the common experience of adolescent infatuation. However, as the diary progresses, a subtle shift occurs. Utsuro's thoughts become increasingly preoccupied with Rin, dominating his every waking moment. He begins to follow her, meticulously documenting her daily routine and habits in his diary.

The entries gradually reveal a growing disconnect from reality. Utsuro starts to believe that he and Rin share a special, unspoken bond, interpreting her smallest gestures as signs of reciprocated affection. He constructs elaborate fantasies in his mind, blurring the lines between his imagined world and the real one. His language becomes more possessive and controlling, reflecting a disturbing sense of entitlement to Rin's attention and affection. He sees himself as her protector, her savior, even her destined partner, completely oblivious to the one-sided nature of his feelings.

The diary entries become increasingly erratic and disjointed, mirroring Utsuro's fracturing psyche. He experiences intense jealousy towards anyone who interacts with Rin, viewing them as rivals and obstacles to his imagined relationship. His entries detail his escalating efforts to isolate Rin, manipulating situations to ensure she spends time with him, even if it means resorting to deceit and manipulation. He begins to collect personal items belonging to Rin, viewing them as sacred relics of their imagined connection.

As Utsuro’s obsession deepens, the diary entries take on a darker, more sinister tone. He begins to express violent fantasies towards those he perceives as threats to his relationship with Rin. His writing becomes more paranoid and delusional, reflecting his growing detachment from reality. He starts to believe that Rin is sending him secret messages, interpreting coincidences and random occurrences as signs of her hidden affection. He sees himself as a misunderstood romantic hero, driven to extreme measures by the intensity of his love.

The game masterfully uses the limited perspective of the diary format to create a sense of unease and foreboding. The player is privy only to Utsuro’s distorted perceptions, slowly piecing together the disturbing truth of his obsession. The lack of external perspectives adds to the unsettling atmosphere, leaving the player to grapple with the implications of Utsuro’s actions and the potential consequences of his unchecked obsession.

The diary entries serve as a chilling reminder of the dangers of unchecked obsession and the devastating impact it can have on both the individual and those around them. Utsuro’s descent into madness is a cautionary tale, highlighting the importance of recognizing the signs of unhealthy obsession and seeking help before it’s too late. The game's unsettling narrative and intimate portrayal of a disturbed mind leave a lasting impression, prompting reflection on the complexities of love, obsession, and the fragility of the human psyche. Through Utsuro's diary, Obsessive Love offers a disturbing yet compelling exploration of the dark side of human emotion.