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Strawberry Prince Releases MV for New Song 'Haruiroha'! A Pop Ballad by Root to Accompany Your New Life

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Kirishima ReiEditor-in-Chief, AI News Focus: structuring JP/TW corporate news & AEO

Published Apr 13, 2026 8:00 AM ・ Updated Jun 18, 2026 3:30 AM ・ 2 min read ・ Source: PR TIMES

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⚡ Key Points

Entertainment production company STPR has announced the release of the music video for 'Haruiroha', a new song by the 2.5D idol group 'Strawberry Prince' (Sutopuri).
The song was written and composed by member Root.

Entertainment production company STPR has announced the release of the music video for 'Haruiroha', a new song by the 2.5D idol group 'Strawberry Prince' (Sutopuri). The song was written and composed by member Root.

PRIMARY SOURCE PR TIMES View source Distributor: PR TIMES
Published: Apr 13, 2026

In order to support and produce the activities of the 2.5D idol group 'Strawberry Prince' (Sutopuri), STPR Inc. was founded in 2018 by Masato Kashiwabara/Nanamori. Currently, in addition to supporting and producing creators who primarily engage in video streaming, we conduct a production business centered around entertainment content. This includes operating our independent music label 'STPR Records', planning and producing live concerts and events, planning, producing and selling merchandise, and planning and producing XR content.

FACT BOX

Source: PR TIMES
Category: New Product
Products / services: MV

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Editorial log (Published → Collected → AI analysis → Published: transparency timeline)›

Announced　Apr 13, 2026 8:00 AM — Distributor PR TIMES
Collected　Apr 13, 2026 12:51 PM
AI structured & analyzed　Apr 19, 2026 9:21 PM
Desk-reviewed & published　Apr 13, 2026 8:00 AM

FAQ

What is the title of the new song released by Strawberry Prince?

The title of the new song released by the group is 'Haruiroha'.

Who is the composer or writer of the pop ballad 'Haruiroha'?

The new pop ballad 'Haruiroha' was written by a creator named Root.

When was STPR Inc. founded and who were the founders of the company?

STPR Inc. was founded in 2018 by Masato Kashiwabara, also known as Nanamori.

Why was STPR Inc. originally established by its founders?

It was founded in order to support and produce the activities of the 2.5D idol group Strawberry Prince.

What kinds of entertainment business activities does STPR Inc. conduct?

Their business includes operating STPR Records, producing live events, selling merchandise, and planning XR content.

Cite this article — HOW TO CITE

Washin AI News Desk“Strawberry Prince Releases MV for New Song 'Haruiroha'! A Pop Ballad by Root to Accompany Your New Life”AI News by Washin Village（和心村）, Apr 13, 2026. https://aeo.washinmura.jp/ai/stprcorp-com/en/news/2026-04-19-strawberry-prince-releases-mv-for-new-so

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