Music Distribution Service "narasu" Now Supports Voice Synthesis Software "Futabako Minato"!
Roudiam Co., Ltd.'s music distribution service "narasu" now supports the character "Futabako Minato" provided by Gasoline Alley Co., Ltd., enabling the distribution of songs using this voice synthesis software.
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- 📰 Published: April 1, 2026 at 19:00
Roudiam Co., Ltd. (Headquarters: Shibuya-ku, Tokyo; Representative Director: Yuya Matsuzaka) announced that its music distribution agency service "narasu" now supports the distribution of songs using the character "Futabako Minato," provided by Gasoline Alley Co., Ltd.
・Newly Supported Character

・Futabako Minato
"Futabako Minato" is a character envisioned as the younger version of "Futaba Minato," whose song and talk voices are currently available.
New multiple patterns of singing voices were recorded by voice actress and singer Sachika Misawa, and AI technologies such as deep learning were used to realistically reproduce her voice quality, habits, and singing style, resulting in a song voice.
It possesses an emotional value called 'Naughty Parameter,' making it a singing voice library that opens up new possibilities never seen before.
In addition to using "Futabako Minato" alone, it can also be used in conjunction with the existing "Futaba Minato" song voice to expand the range of expression.
<Character Profile>
Always playing and running around in the neighborhood, often falling and scraping her knees or dirtying her clothes, getting scolded. Loves singing and cats.
Hometown: A place with abundant nature
Age: ??
Height: Around 135cm
With this addition, a total of 115 types of voice banks and characters are now available on "narasu."
For the eligible characters, no usage permission is required, and original songs using the character's name and fan-created designs can be distributed.
Details on available voice banks and characters can be found on the following page:
https://narasu.jp/lp/vocalo/#list
"narasu" plans to support even more voice synthesis software and voice banks in the future. Please look forward to future developments.
・"narasu" Service Overview

This service acts as an agent for registering music to streaming stores such as Spotify and Apple Music.
It provides an opportunity for all artists, professional and amateur alike, who love music to easily share their songs with the world.

There are two flexible pricing plans to suit different activity styles: the "Subscription Plan" (monthly flat rate), which is the first of its kind in Japan for music distribution, and the "One-time Payment Plan," where a fee is paid only once per release. The "One-time Payment Plan" has a one-time price with no renewal fees, making it perfect for those who want to start distributing music easily.
Additionally, the service offers "YouTube Monetization Service" to monetize your songs when used on YouTube, and "Copyright Management Service" to apply for copyright registration for your songs.
narasu supports artists' flexible activities!
Site Name: "narasu"
Official Website: https://narasu.jp/
Instagram: https://www.instagram.com/narasu_jp/
TikTok: https://www.tiktok.com/@narasu_jp
note: https://note.com/narasu_jp/
Service: Music distribution agency service
Pricing Plans: Subscription Plan (monthly ¥110) and
One-time Payment Plan (Single (1 song): ¥2,860 / Album (2 or more songs): ¥5,500)
Revenue Share: 90%
Distribution Area: Over 180 countries
Distribution Stores: Spotify / Apple Music / iTunes Store / Amazon Music Unlimited / Amazon Digital Music Store / Prime Music / AWA / Rakuten MUSIC / YouTube Music / TikTok / Facebook・Instagram Music Stickers / QQ Music
Including the above, 49 stores
*New distribution stores will be added sequentially. Please see the following page for details.
https://narasu.jp/client/static/store-detail
・About Roudiam Co., Ltd.
Established in 2005 as a design company.
With creative and free ideas and high technical capabilities, it expanded its business beyond design to system development, becoming a tech company promoting DX in the digital music industry.
In 2017, it developed the music distribution management system "C-MAP," partnered with massenext Co., Ltd., customized and provided "C-MAP" as "Zu-MAP," and officially entered the music distribution business.
In December 2020, it launched "narasu," the first subscription-based music distribution agency service in Japan.
Since then, it has been actively supporting indie artists through "narasu."
In 2024, it launched "narasuMate," a support service for music students, in collaboration with multiple educational institutions nationwide.
Furthermore, in 2025, it will launch the music label "Bluespike Labels" to discover and support the talents of young artists, primarily students of "narasuMate."
At the same time, its music publishing business, "ROUDIAM MUSIC PUBLISHING (RMP)," will also officially start.

Company Name: Roudiam Co., Ltd.
Location: Shibuya Fukuras 17F, 1-2-3 Dogenzaka, Shibuya-ku, Tokyo 150-0043
Representative: CEO Yuya Matsuzaka
Business Activities: Music distribution business / Music publishing business / System development / Video distribution business, etc.
Establishment Date: July 20, 2005
FAQ
What kind of character is "Futabako Minato"?
Futabako Minato is a character imagined as the younger version of "Futaba Minato," whose song and talk voices are based on the singing voice of voice actress/singer Sachika Misawa. Her singing voice is reproduced using AI technology.
Do I need permission to distribute songs using "Futabako Minato" on "narasu"?
No, permission is not required for the eligible characters. You can distribute original songs using the character's name and fan-created designs.
What are the pricing plans for "narasu"?
There are two plans: a monthly subscription plan ("Subscription Plan" at ¥110/month) and a one-time payment plan ("One-time Payment Plan" at ¥2,860 for singles, ¥5,500 for albums).