Obanai Iguro Cosplay in Seoul | A Hongdae Modern AU and the Total Concentration Exhibition.
Two days in South Korea, from the world of Demon Slayer to an early-morning Modern AU photoshoot in Hongdae.
In July 2026, I travelled to Seoul, South Korea.
This trip brought together two different sides of my life as an Obanai Iguro cosplayer.
The first was the simple happiness of visiting a Demon Slayer exhibition with a friend.
The second was a new location project: placing a Modern AU interpretation of Obanai inside the streets, parks, arcades, and gaming culture of Seoul.
Rather than recreating one specific scene, I wanted to explore a quieter question.
What would Obanai Iguro look like if he were living and walking through Hongdae today?
Day One: The Total Concentration Exhibition in Seoul
On the first day, I met my friend Shika, whom I had first connected with through X.
Together, we visited the Seoul edition of the Demon Slayer: Kimetsu no Yaiba Total Concentration Exhibition.
The venue was filled with artwork, recreated environments, interactive displays, and scenes from the series. We explored the exhibition at our own pace, played the small games inside, and looked through the merchandise area.
One of the most enjoyable moments was encountering Obanai’s section.
Seeing his image and dialogue presented inside an exhibition outside Japan felt both familiar and strangely new. The Korean text, the exhibition design, and the surrounding visitors created a different atmosphere around a character I have studied and portrayed for years.
We also collected matching marks through one of the interactive activities and spent time looking through the recreated settings.
After the exhibition, Shika and I had dinner together before saying goodbye.
It was a relaxed and joyful first day in Seoul.
I am deeply grateful to her for sharing the exhibition with me and making the visit even more memorable.
Day Two: If Obanai Iguro Lived in Hongdae
Early the following morning, I changed into a Modern AU interpretation of Obanai Iguro and began walking through Hongdae.
The styling was intentionally simple.
A loose black-and-white striped shirt, narrow black trousers, black sneakers, straight hair, and black-rimmed glasses created a contemporary silhouette without losing Obanai’s visual identity.
The goal was not to make the costume look theatrical.
I wanted him to appear as though he naturally belonged there.
A reserved figure moving quietly through Seoul, carrying traces of the Serpent Hashira within an ordinary modern life.
Walking Through the Streets of Seoul
The photoshoot moved through several different parts of the city.
We walked beside shops and cafés, through narrow streets filled with signs and painted walls, and along paths where the city became quieter and greener.
Rain changed the atmosphere of the streets.
A transparent umbrella, wet metal pavement, bright restaurant signs, and layered graffiti transformed an ordinary alley into a cinematic Modern AU setting.
The striped shirt remained simple against the visual noise of the city, allowing Obanai’s restrained presence to stand apart without feeling disconnected from the environment.
This balance was important.
The project was not about placing a conspicuous anime costume in Seoul.
It was about translating the aesthetics and soul of the Serpent Hashira into clothing and behavior that could exist inside the real city.
Gyeongui Line Forest Park
We also photographed around Gyeongui Line Forest Park.
The long green paths offered a calmer contrast to Hongdae’s signs, cafés, and crowded entertainment spaces.
Here, the concept became quieter.
Obanai rested with a camera, checked the photographs, and moved through the park as though recording his own journey.
These moments were deliberately understated.
They were less about posing and more about imagining the small habits of a modern Obanai: observing before speaking, keeping some distance from the crowd, and noticing details that other people might pass without seeing.
Neon frames, claw machines, checkerboard flooring, mirrors, and rows of colorful prizes created a world almost opposite to Obanai’s reserved personality.
That contrast became the point.
Surrounded by light and noise, he remained quiet and difficult to read.
The arcade photographs included wide overhead compositions, mirror selfies, and casual smartphone shots. Rather than presenting a dramatic character scene, they resemble fragments from an ordinary day saved inside a personal camera roll.
The modern setting also gave Kaburamaru a playful role within the environment, quietly appearing between machines and gaming equipment.
Visiting a Genshin Impact PC Café
The final location was a themed PC café connected to Genshin Impact.
Gaming cafés are a recognizable part of contemporary Korean entertainment culture, and this was
a location I could not easily reproduce in Japan.
The white-and-purple gaming stations, large headphones, custom keyboards, character displays, and bright interior created another strong visual contrast with Obanai’s monochrome clothing.
Wearing a headset and sitting before the gaming monitor made the Modern AU feel unexpectedly natural.
It was easy to imagine him disappearing into a game for several quiet hours, speaking very little while paying attention to everything happening on the screen.
The café also became a record of the trip itself, not only a setting for cosplay.
It captured the experience of visiting a place unique to Seoul and allowing the character interpretation to respond to that environment.
Translating Obanai into a Living City
This Seoul project was not based on a single official costume or illustration.
It was an exercise in 2D to 3D translation.
Which visual elements still communicate Obanai when the uniform, haori, and sword are removed?
How much can the clothing change before the character’s presence disappears?
For this interpretation, the answer was found in restraint.
Glasses that partly shield the expression.
Small serpent details carried through the styling and accessories.
The result was an Obanai who could move through Hongdae without feeling separated from it.
He did not simply visit Seoul.
For a brief time, he seemed to live there.
A New Chapter in the Archive
These two days became a memorable combination of friendship, travel, fandom, and location photography.
The exhibition allowed me to experience the official world of Demon Slayer in South Korea.
The following morning allowed me to take that inspiration back into the living city and create a different world of my own.
From the Total Concentration Exhibition to Gyeongui Line Forest Park, a neon arcade, rainy Hongdae streets, and a Korean PC café, each location added another layer to this Modern AU interpretation.
This trip became more than a collection of photographs.
It became another chapter in The Serpent Archive.
A record of what happens when Obanai Iguro leaves the familiar landscapes of Japan and enters the rhythm of Seoul.
Character: Obanai Iguro
Cosplay and interpretation: Naso | The Serpent
Location: Seoul, South Korea
Modern AU photoshoot: Hongdae and surrounding areas
With special thanks to: Shika
