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My Girlfriend Mizuki [v1.3] by Alex Nova

Cover for My Girlfriend Mizuki
Game Information
Developer Alex Nova
Engine Unity
Release DateSep 24, 2025
Last UpdateFeb 4, 2026
CensoredNo
OSWindows
LanguageEnglish
Voice-
Length-
Original Name-
Aliases-

My Girlfriend Mizuki v1.3

5.0 (1 votes)
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Overview
My Girlfriend Mizuki you take control of Hiro who is in love with his Girlfriend Mizuki. He has this crush since the third grade and he is constantly thinking about her. They currently go to the same university called hope university. He thinks about her so much that he is constantly jacking off or cumming in his sleep. He also developed a kink where he would randomly daydream other men hitting on her or fucking her. The game features a day system where you select what you want to do each part of the day. You may end the game whenever you want and whatever routes you completed will change the ending. With the special Red Rabbit route choices are insides the scenes with multiple endings instead of the general ending. There is currently six netorase routes, two netorare routes, an exhibition sex route, and a humiliation route. The more routes you complete the spicier the ending!​

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Prologue:

In My Girlfriend Mizuki Hiro is consumed by an intense, all-encompassing love for his girlfriend, Mizuki. His obsession began in the third grade and has only grown stronger with time. At Hope University, he finds himself constantly aroused, his mind and body driven by an insatiable desire for her. His nights are filled with erotic dreams, his body trembling with unfulfilled longing.

Hiro's thoughts are a whirlwind of fantasies, often imagining other men pursuing Mizuki, their hands roaming her body, their eyes filled with lust. These visions ignite a wildfire within him, a mix of jealousy and passion that drives him to the edge. The game's prologue explores Hiro's internal struggle, his vulnerable confession, the playful flirtations that define their relationship, and the intense, life-changing moment when they finally make love. My Girlfriend Mizuki is a story of deep emotion, unbridled desire, and the profound connection that binds them together.

Gameflow:
As the main game unfolds, you'll navigate Hiro's life through a series of daily decisions, each one shaping his journey and his relationship with Mizuki. The day is divided into distinct segments—morning, afternoon, and evening—each offering a variety of potential actions to choose from. Your first option in each segment is to Skip, allowing you to fast-forward through the day, but this choice comes with the risk of missing out on crucial events and opportunities.

The other choices are where the game's depth lies. Selecting these options triggers events that can significantly impact Hiro's life and his connection with Mizuki. Successfully completing these events rewards you with increases in key stats such as Affection Points, which strengthen your bond with Mizuki, or NTR Points, which advance the rival subplot. These stats are crucial for unlocking new scenes and progressing through the story.

Each scene in the game has specific conditions that must be met to activate, such as accumulating enough NTR or Affection Points, or making particular decisions at critical moments. This creates a complex web of choices and consequences, where your decisions directly influence the story's direction and Hiro's emotional journey.

How Netorase and Netorare works:
For the Netorase path, you must take a bold step by confessing to Mizuki at night, revealing your desire for her to cuck you. If she accepts, you become her cuck, unlocking all Netorase events for each segment of the day. This transformation allows you to explore a range of scenarios where Hiro is submissive.

For the Netorare path, the game provides a unique route during school hours. This involves a bully storyline where Netorare is available, offering a different dynamic where Hiro's jealousy and humiliation are explored. Unlike the Netorase path, the Netorare route is available immediately, allowing you to dive into these scenarios right from the start. This path focuses on the rivalry and the emotional turmoil that Hiro experiences as he watches Mizuki interact with other men.

Additionally, the game introduces the Red Rabbit Streamer path, where Hiro's jealousy and humiliation take on a new dimension. In this path, Hiro discovers that Mizuki has been interacting with other men through a popular streaming platform, further intensifying his emotional turmoil. The situation escalates when Mizuki becomes involved in a significant issue with a particular man, adding a layer of drama and tension to the story. This route adds another layer of complexity to the Netorare experience, as Hiro grapples with the reality of Mizuki's online presence, the attention she receives from other men, and the emotional impact of her encounter with this particular man.

How Endings work:
The general ending is activated by pushing the "See Ending" button.Depending on what routes you fully complete, the ending will change. For bulls, they will join if their routes are completed; otherwise, they won't show up. You get a better sex scene with Mizuki if you finish the night exhibitionism route. Completing the humiliation route will also add more to the ending. However, forthe red rabbit route, the endings are integrated into the route instead of being the See Ending button.

Characters:
Mizuki
She is a young girl from Hope University who the main character has always had a crush on. Despite her youth, she possesses a complex personality that is both intriguing and perplexing. She is often seen as cringe by those who don't understand her, but those who do see her as incredibly smart and insightful. Her otaku tendencies are evident in her vast knowledge of anime and manga, which she often references in her daily life. Her extreme perversion adds another layer to her character, making her both alluring and controversial. Additionally, she is from WaifuTube and a streamer, where she showcases her unique personality to a broader audience.

Hiro
The main character is driven by an initial desire to pursue a romantic relationship with Mizuki, evident from the start of the game. He is also an otaku, deeply immersed in the world of anime and manga. His infatuation with Mizuki dates back to their third-grade days, a crush that has endured over the years. Despite his extreme perversion, his physical attributes, particularly his cock size, do not align with the intensity of his desires.

Mr Kanzaki
Mizuki's father harbors an unsettling and perverted infatuation with his daughter, a feeling that Mizuki keenly perceives and frequently challenges. Despite her constant opposition, he remains undeterred, often indulging in fantasies about the day he will claim her as his own.

Ms Shizuka
Mizuki shares a very close, loving relationship with her mother, affectionately calling her "mommy." Her mother is a remarkably kind and generous woman, always eager to help others. However, years of divorce and loneliness have instilled in her a playful, sometimes overly flirty disposition, giving her a surprisingly bold edge beneath her sweet exterior.

Shiori
Mizuki's stylish, perpetually trendy gyaru childhood friend is a "gyaru nerd" who balances her passion for anime and games with an exciting dating life, quickly moving from one boyfriend to the next almost every month.

Kuro
Hiro's best friend shares all the same interests as him, and Hiro knows his friend is big on women with large breasts. Their friendship is solid, but Hiro keeps one secret thought to himself: he figures it would be seriously hot, and "cool to share Mizuki with his bro."

Kazuma
This character is main bull on the local bus route, known as a bus pervert. The narrative focuses on Mizuki and him as they play on the bus while the main character goes full mask while watching his girlfriend getting attention from a real man.

Oda
The university gym teacher who gawks at all the hot female students, he has a severe, predatory habit: he frequently abuses his position to entice female students into private, inappropriate sessions under the guise of therapeutic massages. The narrative explores Hiro's darkest urge, where he considers manipulating Mizuki into receiving these private sessions.

Hasogawa
This is the game's bully, a character who uses aggression and intimidation to get what he wants. His aim is to force Hiro to manipulate Mizuki into spending time with him and eventually dating him. If Hiro resists, the bully will resort to physical violence and humiliation. You might encounter him by wandering the university grounds during the lunch period.

Mizuki's Bull from dating app
This is a man found through the dating app, Date My Girlfriend. He is a specific individual chosen by Hiro and Mizuki to participate in a shared experience. He becomes a potential partner for Mizuki after Hiro decides he is ready to share her as part of a consensual arrangement. She is very interested in his BBC (Big black cock) as she is a size queen.

v1.3
Added Red Rabbit route, updated prologue, confession scenes and the first two night Mizuki sex scenes
Updated the video player to add back manual play, while only forcing autoplay on action scenes.
Fixed content getting cut off
Added a history button and its page.
Added functionality for having choices inside scenes (currently limited to two)
The messaging system now autodetermines the length to wait for autoplay based on the text length. (This works for most cases, but some content should still be delayed regardless of how fast it is to read)

v1.2
Added Mr Father route along with mother sub route (Mr Kanzaki and Ms Shizukia)
Updated player controls
Bugfix with music repeating on daily selector fixed

v1.0
First Major Release

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