How to Create a Kim Jaehwan (김재환) Fan Advertisement [2026 Edition]: Easy Application with Oshi Ad
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What is a support advertisement for Kim Jaehwan?
To WIN:D (Wind), the fan community supporting Kim Jaehwan, why not share your feelings for your bias with the city?
Support advertisements (also known as "Saengil advertisements") are a fan-led culture where fans pay for advertisements for their favorite artists' birthdays or anniversaries using digital signage, outdoor billboards, ad trucks, and more. Originating in Korea, this culture has become widespread in Japan, with an increasing number of services allowing individuals to place such advertisements.
Kim Jaehwan is known for his exceptional vocal ability and has strong support from Japanese fans. His concerts and fan meetings always draw an enthusiastic crowd. For your bias, you can express your love through advertisements.
Kim Jaehwan's Profile
Let's review Kim Jaehwan's basic information.
| Real Name | Kim Jaehwan |
|---|---|
| Date of Birth | May 27, 1996 |
| Origin | Seoul, South Korea |
| Agency | WAKEONE (formerly C9 Entertainment) |
| Career | Finalist (4th place) in "PRODUCE 101 Season 2" in 2017. Debuted with Wanna One in the same year. Solo debut in May 2019 with the mini-album "Another." |
| Representative Songs | Begin Again, The Time I Need, Moment, Better Together, etc. |
| Official Fan Name | WIN:D |
With a solid background from Wanna One, his further refined singing voice as a solo artist has received high praise both domestically and internationally. He regularly holds concerts and fan meetings in Japan, and each visit fills the venues with excitement.
Types and Costs of Support Advertisements
There are several types of support advertisements. Choose according to your purpose and budget.
| Media Type | Features | Estimated Cost |
|---|---|---|
| Digital Signage | Digital billboards installed in commercial facilities and on streets. Characterized by a short lead time of about 1 week from application to display. A main medium that is easy for individuals to apply for. | From about 30,000 yen |
| Outdoor Vision | Large street monitors in Shibuya, Shinjuku, Harajuku, etc. Highly visible and expected to have a social media spread effect. | Tens of thousands to hundreds of thousands of yen |
| Ad Truck | A mobile advertisement where a truck with ads drives through the city. Especially effective when running around concert venues. | From tens of thousands of yen |
| Posters/Banners near Live Venues | Displayed around venues during concerts/fan meetings. Easily seen by attendees. | Varies by medium |
| Station Posters | Displayed within station premises or near ticket gates. High exposure to commuters and students. Longer lead time. | From about 100,000 yen (7-day estimate) |
Digital signage has a short lead time and is affordable for individuals, making it an easy choice for WIN:D members looking to try support advertisements for the first time.
How to Place a Support Advertisement
For those placing a support advertisement for the first time, many may wonder "where to start." Here are the basic steps.
Step 1: Determine the purpose and timing
Whether it's a birthday advertisement to celebrate his birthday (May 27th) or one timed with a concert or fan meeting, the choice of display period and location will change. First, clarify "when, where, and to whom you want to show it."
Step 2: Set a budget
Digital signage can be placed by individuals from about 30,000 yen. There's also an option for fans to pool funds through crowdfunding, so you can choose a format that fits your budget.
Step 3: Choose media and location
Choosing signage near the nearest station to a concert venue or in areas where fans tend to gather can be effective. Select an area according to his visit schedule to Japan.
Step 4: Prepare the design
If using artist photos or images, you must follow the guidelines set by the agency (WAKEONE). You can use Oshi-Ad's support for checking and complying with these guidelines.
Step 5: Apply and confirm display
After completing the application, confirm the display dates and location. After display, share photos of the actual advertisement on social media to share the joy with other WIN:D members.
What is Oshi-Ad?
Oshi-Ad is a support advertisement service that allows individuals to place advertisements on digital signage and more, starting from about 30,000 yen. It's designed to be user-friendly for WIN:D members placing Kim Jaehwan support advertisements for the first time.
Key Features of Oshi-Ad
- Individuals can place ads on digital signage from about 30,000 yen.
- Shortest lead time of 1 week from application to display. Can be arranged even shortly before birthdays or live events.
- Crowdfunding function allows fans to pool funds starting from 500 yen per share. The commission fee is 10%, which is among the lowest in the industry.
- Support for checking WAKEONE (Kim Jaehwan's agency) guidelines is available, allowing first-timers to proceed with peace of mind.
For those concerned about costs when acting alone, the crowdfunding function allows you to start a project with fellow WIN:D members. You can set a target amount, and multiple fans can participate starting from 500 yen per share.
Oshi-Ad service URL: app.oshi-ad.com
Summary
Support advertisements for Kim Jaehwan are a special way for WIN:D to convey their feelings to the city.
- Support advertisements can be chosen from multiple media such as digital signage, outdoor vision, and ad trucks.
- Digital signage can be placed by individuals from about 30,000 yen.
- Oshi-Ad's crowdfunding function allows fans to pool funds (from 500 yen per share, 10% commission fee).
- Display is possible in as little as 1 week. Applications can be made to coincide with his birthday (May 27th) or events in Japan.
- Support for agency guidelines ensures peace of mind for first-timers.
If you want to express your love for Kim Jaehwan, start by checking out Oshi-Ad's service page.