How to Put Out a Kep1er Fan Ad [2026] - Member Birthday Support Guide
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What is Kep1er Fan Advertising? (Member Birthday Quick Reference)
Kep1er is a multinational girl group that debuted in January 2022. Following a member's departure in March 2026, the group now consists of six members: Yujin, Xiaoting, Chaehyun, Dayeon, Hikaru, and Huening Bahiyyih. Japanese member Hikaru is also part of the group, and among fans, known as Kep1ian, there is a strong culture of celebrating birthdays with fan advertisements.
| Member Name | Birthday | Notes |
|---|---|---|
| Yujin | August 12 (1996) | Leader |
| Xiaoting | November 12 (1999) | From China |
| Chaehyun | April 26 (2002) | |
| Dayeon | March 2 (2003) | |
| Hikaru | March 12 (2004) | From Japan |
| Huening Bahiyyih | July 27 (2004) | From USA |
Confirming Agency Guidelines
Kep1er is jointly managed by Wakeone Entertainment and KLAP Entertainment in South Korea. Activities in Japan are handled by CJ ENM Japan.
Before placing a fan advertisement, it is recommended to confirm the following points:
- Whether official images/photos of members can be used (refer to each agency's official guidelines)
- Check the latest fan activity guidelines on the official website or social media of the fan club "Kep1ian Japan"
- If using fan art or illustrations, do so within the scope of the rights holder's regulations
Oshi-Ad supports checking agency guidelines during the application process. If you have any questions, please contact the support desk within the service.
Popular Media and Costs for Kep1ian
- Digital Signage: Display on digital panels installed indoors and outdoors in areas such as Shibuya, Shinjuku, and Osaka Umeda. This is a primary medium that individuals can use starting from approximately 30,000 yen. It has a short lead time, making it easy to apply even just before a birthday.
- Outdoor Vision: Display on large street monitors. It has high visibility and can be expected to have a viral effect on social media.
- Ad Trucks: Trucks with advertisements on their bodies that circulate in urban areas. This is suitable for display around venues during live performances or fan meetings.
There is also an option to share costs through crowdfunding among multiple people. Small donations starting from 500 yen per person are possible, allowing the entire fan community to participate in the celebration.
Popular Display Areas in Tokyo and Osaka
Tokyo Area
- Shibuya: Visions and signage around the Shibuya Scramble Crossing attract attention from both domestic and international visitors, which is advantageous for social media virality.
- Shinjuku: Outdoor visions at the East and West exits and in-station signage. This is a popular spot with high foot traffic and excellent exposure.
- Harajuku/Takeshita Street: An area where K-POP fans often gather, suitable for appealing to the target audience.
- Ikebukuro: Visions around Sunshine City are popular for displays during concerts and events.
Osaka Area
- Umeda: Signage around Grand Front and in the Hankyu/Hanshin areas. Suitable for reaching K-POP fans in Western Japan.
- Namba/Shinsaibashi: Outdoor visions in the bustling shopping districts. These areas have high foot traffic and excellent visibility.
How to Place a Fan Advertisement
Step 1: Determine Objective and Budget
Decide whose birthday you want to celebrate and when, and whether to place the advertisement individually or through crowdfunding with other fans. The budget目安 for individual placement is around 30,000 yen.
Step 2: Choose Media and Area
Select the desired location and medium. If a birthday is less than 2-3 weeks away, digital signage with a short lead time is suitable.
Step 3: Prepare Creative
Create the images or videos to be displayed. Be sure to confirm the agency's official image usage guidelines in advance.
Step 4: Application and Payment
Fill out the application form on the service website and complete the payment. For crowdfunding, create a project page to solicit supporters.
Step 5: Display and Social Media Promotion
Take photos at the location during the display period and share them on social media.
What is Oshi-Ad?
Oshi-Ad (https://app.oshi-ad.com) is a platform that allows individuals to place advertisements, such as on digital signage, for their favorite idols starting from approximately 30,000 yen.
- Apply Individually: You can apply directly through the service website without going through an agency.
- Display in as little as 1 week: Short lead time allows for arrangements even just before a birthday.
- Crowdfunding Function: Fans can share costs starting from 500 yen per person. The commission fee is 10%, which is among the lowest in the industry.
- Agency Guideline Confirmation Support: We support checking the guidelines of various agencies such as Wakeone and KLAP.
If you are considering a fan advertisement for a Kep1er member's birthday, first check the available media and areas at https://app.oshi-ad.com.