JJK : A Birthday Wish to the World of Jujutsu Kaisen!
A girl named (Y/N), who loved anime more than anything, sat in front of her laptop. Her fingers focused on scrolling the mouse, searching for the latest episode of her favorite anime.
A smile was etched across her sweet face as she tirelessly waited for every new episode of her beloved anime, Jujutsu Kaisen.
She placed her fingers against the monitor screen, imagining what it would be like if she could pass through it and touch her beloved husbando.
(Y/N) was an ordinary girl. She had a cheerful life and friends outside of her hobbies. However, she had never developed any special interest in real-life men. Because she adored and loved the husbandos from Jujutsu Kaisen, some of her friends considered her strange. Yet she did not care. Her world always felt brighter whenever she looked at her favorite husbandos.
On her special day, (Y/N) ordered a cake and enough food to celebrate with a few of her friends. Hour after hour passed as she waited patiently. Yet not a single one of the people she considered friends came to celebrate her special day. As the evening grew later, she realized that she was alone in this world of reality—until the sound of knocking echoed through the room.
(Y/N) walked forward calmly, her heart filled with joy, because she knew who would always be there for her in this world. She opened the door with excitement, and there stood her three female friends, (YF/N).
They shared the same passion as her and each had their own favorite husbando. They were among the few people who truly understood her world, unlike the many others who thought she was strange and never held a special place in her heart.
Surrounded by the small but meaningful circle of love formed by her three friends, (Y/N) carried her birthday cake toward the bedroom window. She tried to remain strong and reminded herself that she still had the three of them and her beloved husbandos, who always brought comfort to her heart.
(Y/N) looked up with happiness shining in her eyes, gazing at the star-filled night sky. Then her beautiful eyes caught sight of a shooting star.
With sincere hope, she made a wish.
There was only one wish.
‘To live in a world with her three friends and the people who truly cared about her and acknowledged her existence.’
Holding that wish with all her heart, she gently blew out the candles on her birthday cake.
“Fwooo…”
A gust of wind brushed against the back of her neck, and her vision suddenly went dark. Her body felt as though it were sinking into the middle of an ocean, cold and endless. Then a tiny speck of light was caught by her eyes.
“Gasp…”
Her consciousness returned. Her body jolted as her lungs desperately drew in as much air as possible. She pushed herself upright, her head spinning as she looked around a room completely different from her own.
Her eyes widened in shock when she realized that she was lying inside a coffin, surrounded by countless candles.
“Kyaahhh…!”
A scream echoed from the doorway. A middle-aged woman wearing a simple kimono stood frozen at the Shoji entrance, covering her face as she stared in astonishment.
“Ah… Hi…”
(Y/N) greeted her in confusion, before realizing that her body was wrapped in a kyokatabira that felt strangely unfamiliar to her.
“My daughter... you've come back…”
A man dressed in a Montsuki Haori Hakama, completely unfamiliar to (Y/N), rushed forward and pulled her into a warm embrace filled with sincere love and affection.
It was an emotion that felt foreign to her.
“W-Who... a-are... you...?”
(Y/N) asked, bewildered, her innocent gaze fixed on the strangers who were hugging and caressing her as though they were her family.
In an instant, silence filled the room.
The people around her exchanged looks of shock and sorrow.
“We are your family... and I am Hugo Kisaragi... your father.”
The man holding her tightly spoke with tears of sincerity glistening in his eyes.
“AAHH...!”
(Y/N) cried out as if struck by lightning beneath a clear sky.
Her gaze swept across the unfamiliar room, taking in every detail of the traditional Japanese architecture surrounding her.
“Sh-She seems to have lost her memory?”
A strange woman replied as she gently stroked her hair, her touch filled with care and affection.
“Okay... um... sorry, but... what is my name...?”
(Y/N) asked, beginning to realize that she was no longer in a situation where she could demand certainty.
“Sweetheart... your name is Sanna... Sanna Kisaragi... Father's first daughter.”
The middle-aged man answered once again, still holding her tightly, his face filled with joy and tears of happiness.
“Ah... but isn't my name (Y/N), not Sanna Kisaragi...?”
(Y/N) replied, her confusion reaching its peak and her desire for confirmation growing stronger.
She pulled herself free from the embrace of the strangers around her and ran out of the room, rushing down a corridor built in the Shinden-zukuri style toward the nearest door.
***
Brak!
The Shoji door flew open under the force of (Y/N)'s push, revealing a vast white expanse of a frozen Zen garden.
At that very moment, (Y/N) realized that this was not her home, nor was it her homeland.
“Where am I... and who are you people really... what happened to me...?”
(Y/N) asked as she turned around and looked at the strangers before her.
Yet their eyes were filled with tears, and their expressions carried nothing but sincere concern for her.
“Sweetheart... you are home, within the Kisaragi Clan Estate in Hokkaido... we are your family...”
The middle-aged man who had embraced her so lovingly answered.
“I am your father, Hugo Kisaragi. That is your grandmother, Hani Kisaragi. This is your uncle, Hiji Kisaragi, and that woman is your aunt, Hima Kisaragi...”
He continued, introducing himself as (Y/N)'s father while pointing toward the people who looked at her with the sincere concern of a loving family.
“You were involved in an accident... and... and the clan's doctors declared you dead...”
Hugo finished, his voice trembling with the deep sorrow of such a painful loss.
“D-Dead...? But... wasn't I blowing out my birthday candles...?”
(Y/N) replied in confusion, recalling her last memory.
A small circle of love on her birthday, inside her room with her three friends.
“Ahh... My granddaughter, what have the gods and our ancestors done... to make you lose your memories...!”
A middle-aged woman, who had previously been introduced as her grandmother, cried out.
Her voice was filled with sorrow as she covered her face with hands wet from tears.
“Onee-sama...!”
A voice suddenly rang out from the far end of the veranda.
It belonged to an adult woman dressed in a mofuku.
Without wasting a second, the woman ran toward (Y/N), tears streaming down her face. She wrapped her arms around (Y/N), holding her tightly with the warmth and affection of a beloved sister.
“A... ah...”
(Y/N) let out a faint sound.
Her mind was overwhelmed by confusion and the flood of emotions being directed toward her.
All she could do was surrender to the situation and try to process everything.
Seeing how confused and distressed (Y/N) was, the woman in the mofuku guided her back to a room where they could speak more calmly.
***
“Onee-sama... how are you feeling now...? Do you feel better in your room...? Ask me anything... I will help if there is something troubling or confusing you...”
She spoke in a gentle voice filled with deep understanding. As calmly as possible, she tried to make (Y/N) feel at ease.
“I truly don't understand any of this... Could you please explain who I am, what I am, and what all of this is...?”
(Y/N) asked with a curious expression filled with countless questions. Her mind had begun to settle, and she was trying to prepare herself to accept whatever answers awaited her.
“Mm... Onee-sama's name is Sanna Kisaragi, the first daughter of Lord Hugo-sama. As for me, I am Mio, the servant who has taken care of you since childhood. You have one younger sister named Yuña Kisaragi. Onee-sama was born on December 5, 1992, while Yuña-sama was born on December 15, 1993. Our clan possesses Gishiki techniques. Onee-sama's technique is Hyakuki Yakō no Rei (Ritual: Parade of One Hundred Ghostly Spirits). Onee-sama is very fond of Matcha, Ice Skiing, Takoyaki, Sushi, Ballet, and training... Eheheh... Is that enough, or is there anything else you would like to ask?”
Mio answered in a single breath, her face filled with relief as she held both of (Y/N)'s hands—the young lady she knew as Sanna Kisaragi and had cared for all these years.
“So... I am Sanna Kisaragi, I like Takoyaki, I was born on December 5, Matcha, Ballet, which I have never really done before... and a Gishiki technique. Mhh... What is that exactly? Some kind of dark ritual or sacrifice...?”
(Y/N) asked. She had now realized that, in this place, her name was Sanna Kisaragi. Her face remained confused, yet she was trying her best to understand.
“Ahahaha... no, it is not a dark ritual, and we have never sacrificed anyone, Onee-sama. Young Lady Yuña-sama also possesses a Gishiki technique called Hyaku Fuyu no Rei (Ritual: Parade of One Hundred Winter Spirits). Clans and Sorcerers each possess their own Cursed Energy and Cursed Techniques, including you, as a member of the Kisaragi Clan.”
Mio laughed at the question and did her best to explain everything in as much detail as possible, hoping that (Y/N) would find it easier to understand herself and her place in this new world.
Slowly, (Y/N) turned toward a full-length mirror.
At that very moment, she realized that the body reflected within it was not her own.
Standing there was a young woman with wide dark-brown eyes, beautifully shining wavy black hair, a delicate nose, and full lips adorned with dimples on both cheeks.
Slowly, (Y/N) parted the kyokatabira wrapped around her body.
Instantly, she realized that her figure was different from the one she remembered. She possessed a different chest, a slender waist, wide hips, firm thighs, and a well-built figure, all complemented by light-brown skin.
“Onee-sama... that is you. I am grateful that your body did not suffer any severe injuries, and that you appear healthy once again...”
Mio wiped away her tears, her heart overflowing with gratitude.
Meanwhile, (Y/N) remained frozen in front of the full-length mirror, unable to tear her eyes away from her reflection.
“Mio... Please tell me about this world... In detail, thoroughly, and anything important that I should know...”
(Y/N) asked softly, beginning to accept the changes and information regarding the body she now possessed.
“This world is divided into two lives-the lives of Sorcerers like us and those of Muggle. We have our own government that establishes laws and policies. In Japan alone, there are dozens of active clans, each holding its own rank. Our Kisaragi Clan is ranked sixteenth. There are also the Kusanagi, Zoka, Yamanaka, Hamuro, Yamada, Sarutobi, and many others. The clans occupying the highest positions are known as the Gosanke, consisting of the Kamo Clan, the Zenin Clan, and the Gojo Clan. In addit–”
Mio tried to explain every piece of information she could think of, hoping to provide (Y/N) with everything she might need.
However, she was interrupted when (Y/N) suddenly cut into her explanation.
“Wait... wait... what did you just say? Gosanke... Kamo, Zenin, and... Gojo?!”
(Y/N) exclaimed, her heart beginning to race as memories of her favorite anime resurfaced.
“Go... jo... The Gojo Clan...?”
(Y/N) repeated, her eyes widening as she drew in a deep breath.
Brak!
The Shoji door slid open roughly.
(Y/N) stepped outside and stared at the vast sky stretching endlessly above her. Now, every fragment of memory was beginning to fall into place.
The final image from her birthday.
The wish.
The shooting star. And the voice deep within her heart before she had done it.
The blow of a birthday candle that had carried her into the world of Jujutsu Kaisen!