Strawberry Prince Unveils New Song 'Iya Iya Seijin' with Nayotantan

Strawberry Prince Unveils New Music Video for 'Iya Iya Seijin'

On June 4, 2026, the renowned 2.5D idol group, Strawberry Prince, celebrated its 10th anniversary by releasing the music video for their latest track, 'Iya Iya Seijin.' This delightful song comes from the talented Vocaloid producer Nayotantan, who also created the group's hit song 'Suki Suki Seijin,' which boasts over 40 million views on YouTube.

The release of 'Iya Iya Seijin' is not just another entry in their discography; it represents a heartfelt expression of unique feelings. The song's catchy refrain, 'Iya Iya, without you, it's not okay!' encapsulates an endearing and straightforward sentiment of love, complemented by irresistible pop melodies that listeners will find hard to forget. Nayotantan excels in crafting infectious tunes, and this latest creation is no exception.

The music video, which showcases choreography by the talented SACO MAKITA, brilliantly brings the playful and vibrant essence of the song to life. The synchronized dance moves align perfectly with the memorable phrases of the track, enhancing its overall charm. It's a visual feast that deserves to be witnessed.

In conjunction with the MV release, Strawberry Prince has launched an engaging TikTok campaign. The campaign encourages fans to express their creativity by posting videos using the official sound of 'Iya Iya Seijin.' Participants can showcase dance routines, lip-sync performances, or even snapshots of everyday life, all while integrating the song's delightful energy and themes. Those who post with the hashtag #IyaIyaSeijin can stand a chance to win a signed acrylic panel from their favorite member of the group. Excitingly, members of Strawberry Prince might even pepper the submissions with special comments!

TikTok Campaign Details:

- Application Period: June 14, 2026 - July 12, 2026
- Participation Steps:

1. Select the official sound of 'Iya Iya Seijin' on TikTok.
2. Post a video with the hashtag #IyaIyaSeijin.
3. Your participation is complete!

- Prizes:

15 random winners will receive a signed acrylic panel from the member of their choice.

Additionally, the group is hosting a digital campaign. Fans can participate in several activities designed to enhance their listening experience and enjoy exclusive gifts:

1. Music Share Campaign: Share the song through participating music streaming services to receive a limited edition wallpaper image.
2. Library Addition Campaign: Those who add the track to their libraries on supported platforms will also earn limited edition wallpapers.

Digital Campaign Period: June 14, 2026 - June 20, 2026

- Prize: Limited edition wallpaper image.

Strawberry Prince's profile reveals their dynamic presence in the entertainment world. Formed in 2016 under the leadership of their creative mastermind nanamori, the group combines gaming, music, and innovation, resonating with fans worldwide. As of June 2026, they boast over 104 billion total views on their official YouTube channel, with a subscriber base exceeding 4.4 million and a total social media following of over 50.5 million.

Their endeavors have not gone unnoticed, with a nationwide arena tour in early 2023 drawing crowds totaling around 350,000 fans and a prestigious appearance at the 74th NHK Kohaku Uta Gassen at the year's end. With growth on the horizon, including a dedicated program on TBS scheduled for 2024 and multiple acclaimed media projects, Strawberry Prince continues to expand their influence.

As they celebrate their 10th anniversary, be sure to dive deep into the world of 'Iya Iya Seijin' and join in the festivities: