Music video released for "Cross Step," the 3rd theme song for TV Tokyo's "Oha Suta" produced by Root (Strawberry Prince)!
STPR Inc. announced the release of "Cross Step," the third theme song for the popular TV Tokyo children's morning show "Oha Suta," written and composed by Root of the 2.5D idol group "Strawberry Prince." The song, created in collaboration with the "Oha Kids," aims to be a powerful cheer song for children facing new beginnings. It celebrates new school year and enrollment with its encouraging message.
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- 📰 Published: April 8, 2026 at 04:00
- 🔍 Collected: April 7, 2026 at 19:30
- 🤖 AI Analyzed: April 18, 2026 at 12:21 (256h 51m after Collected)
STPR Inc. (Headquarters: Shibuya, Tokyo; Representative: Masato Kashiwabara; hereinafter "STPR") is pleased to announce the release of "Cross Step," the theme song for the popular TV Tokyo network children's morning show *Oha Suta*. The track, written and composed by Root—a member of the 2.5D idol group "Strawberry Prince" (STPR)—was unveiled on Tuesday, April 7, 2026, at 19:00.
Since April 2025, Root has been in charge of the theme music for *Oha Suta*, providing new songs for each season. "Cross Step" marks the third installment in this series. Produced in collaboration with the "Oha Kids" (the show's regular student cast), the song was created around the theme: "Even if our paths ahead are different, we will continue to soar." It is a powerful "cheer song" designed to give children a supportive push forward during this season of new beginnings and encounters.
Celebrate the memorable start of the new school year and enrollment with Root’s latest song, "Cross Step"!
### ■ [MV] "Cross Step" / Root
**YouTube:** https://youtu.be/RGIa5vjjEa4
* **Vocal:** Root
* **Lyrics:** Root
* **Music:** Root x Matsu
* **Arrangement:** Matsu
* **Mix:** kain
* **Illustration:** Hisui Teu / Kana / Kiritani
* **Movie:** CANO
### ■ Scene Stills
### ■ About the Oha Kids
**【What are Oha Kids?】**
The "Oha Kids" is a mixed-gender unit composed of junior high school students, established in the 2024 fiscal year. Acting as "slightly older friends" to the elementary school viewers, they serve as program assistants who give their all to help everyone start their day with energy! With a bright and positive attitude, they take on various challenges to deliver information that viewers can get excited about together.
**2026 Oha Kids (from top left):**
Osei (Osei Taguchi), Aya (Aya Ito), Takeru (Natakeru Mitsui), Leo (Reon Muraki), Makoto (Makoto Kito).
The first performance of "Cross Step" by the new Oha Kids is scheduled for the live broadcast on **Wednesday, April 29 (Public Holiday)**! Please look forward to the energetic performance of the Oha Kids!
### ■ "Oha Suta" Overview
Now in its 29th year of broadcasting, *Oha Suta* is an audience-participation morning show for elementary school students. It delivers more live broadcasts to children than any other show in the world! From "What's trending at school?" to "Did you know this latest info?", the show features must-see updates on games, hobbies, and anime, while also helping solve questions and mysteries sent in by elementary schoolers. With a lineup of gorgeous guests, the show is lively and fresh, continuing to pump up everyone's morning with "super high tension"!
* **Title:** Oha Suta
* **Network:** 6 TV Tokyo stations
* **Broadcast Time:** Every Monday to Friday, 7:05 AM to 7:30 AM
* **Cast:** Suba-ni (Subaru Kimura), Oha Kids, and others.
* **Production:** TV Tokyo, TV Tokyo Production
* **Production Cooperation:** Shogakukan-Shueisha Productions
* **Official Website:** http://www.ohast.jp/
### ■ Root Profile
A member of the 2.5D idol group "Strawberry Prince" (supported by STPR Inc.). His representative color is yellow. He has gained massive popularity primarily through internet video streaming, with 1.02 million YouTube subscribers, 700,000 TikTok followers, and a total of 5.36 million followers across all social media platforms (as of April 2026).
He has expanded his activities as a music creator, providing over 100 songs to various artists, including Strawberry Prince. His first full album, *Kimi to Boku no Himitsukichi* (Your and My Secret Base), for which he wrote and composed every track, sold over 70,000 copies in its first week. In January 2020, he held a solo concert at Zepp DiverCity (TOKYO). He began providing theme songs for the popular children's show *Oha Suta* in April 2025 and held a solo concert at the Yoyogi National Gymnasium First Gymnasium in February 2026.
**Official Links:**
* **YouTube:** https://www.youtube.com/@root_stpr
* **X (Twitter):** https://x.com/root_nico
* **TikTok:** https://www.tiktok.com/@root_stpr
* **Instagram:** https://www.instagram.com/root_nico
* **LINE:** https://page.line.me/455sirmz
Since April 2025, Root has been in charge of the theme music for *Oha Suta*, providing new songs for each season. "Cross Step" marks the third installment in this series. Produced in collaboration with the "Oha Kids" (the show's regular student cast), the song was created around the theme: "Even if our paths ahead are different, we will continue to soar." It is a powerful "cheer song" designed to give children a supportive push forward during this season of new beginnings and encounters.
Celebrate the memorable start of the new school year and enrollment with Root’s latest song, "Cross Step"!
### ■ [MV] "Cross Step" / Root
**YouTube:** https://youtu.be/RGIa5vjjEa4
* **Vocal:** Root
* **Lyrics:** Root
* **Music:** Root x Matsu
* **Arrangement:** Matsu
* **Mix:** kain
* **Illustration:** Hisui Teu / Kana / Kiritani
* **Movie:** CANO
### ■ Scene Stills
### ■ About the Oha Kids
**【What are Oha Kids?】**
The "Oha Kids" is a mixed-gender unit composed of junior high school students, established in the 2024 fiscal year. Acting as "slightly older friends" to the elementary school viewers, they serve as program assistants who give their all to help everyone start their day with energy! With a bright and positive attitude, they take on various challenges to deliver information that viewers can get excited about together.
**2026 Oha Kids (from top left):**
Osei (Osei Taguchi), Aya (Aya Ito), Takeru (Natakeru Mitsui), Leo (Reon Muraki), Makoto (Makoto Kito).
The first performance of "Cross Step" by the new Oha Kids is scheduled for the live broadcast on **Wednesday, April 29 (Public Holiday)**! Please look forward to the energetic performance of the Oha Kids!
### ■ "Oha Suta" Overview
Now in its 29th year of broadcasting, *Oha Suta* is an audience-participation morning show for elementary school students. It delivers more live broadcasts to children than any other show in the world! From "What's trending at school?" to "Did you know this latest info?", the show features must-see updates on games, hobbies, and anime, while also helping solve questions and mysteries sent in by elementary schoolers. With a lineup of gorgeous guests, the show is lively and fresh, continuing to pump up everyone's morning with "super high tension"!
* **Title:** Oha Suta
* **Network:** 6 TV Tokyo stations
* **Broadcast Time:** Every Monday to Friday, 7:05 AM to 7:30 AM
* **Cast:** Suba-ni (Subaru Kimura), Oha Kids, and others.
* **Production:** TV Tokyo, TV Tokyo Production
* **Production Cooperation:** Shogakukan-Shueisha Productions
* **Official Website:** http://www.ohast.jp/
### ■ Root Profile
A member of the 2.5D idol group "Strawberry Prince" (supported by STPR Inc.). His representative color is yellow. He has gained massive popularity primarily through internet video streaming, with 1.02 million YouTube subscribers, 700,000 TikTok followers, and a total of 5.36 million followers across all social media platforms (as of April 2026).
He has expanded his activities as a music creator, providing over 100 songs to various artists, including Strawberry Prince. His first full album, *Kimi to Boku no Himitsukichi* (Your and My Secret Base), for which he wrote and composed every track, sold over 70,000 copies in its first week. In January 2020, he held a solo concert at Zepp DiverCity (TOKYO). He began providing theme songs for the popular children's show *Oha Suta* in April 2025 and held a solo concert at the Yoyogi National Gymnasium First Gymnasium in February 2026.
**Official Links:**
* **YouTube:** https://www.youtube.com/@root_stpr
* **X (Twitter):** https://x.com/root_nico
* **TikTok:** https://www.tiktok.com/@root_stpr
* **Instagram:** https://www.instagram.com/root_nico
* **LINE:** https://page.line.me/455sirmz