About Otomiya Sisters Project



We are happy to announce the launch of Otomiya Sisters Project.
Through this project, we would like more people to know about Voidol's mascot characters,
Otomiya Iroha and her little sister Otomiya Urala.
As the first step, we start their official Twitter account.
Let’s enjoy their tweets.
Conversations with these sisters are also welcome.




Otomiya Iroha



  Birth: April 3
Height: 161cm
Personality: Pure
Good Point: Amazing handwriting
Weak Point: Not good at drawing
Favorite: Dog & all of cute things
Not Favorite: Exercise
Voice Actor: Tohno Mayu

Otomiya Iroha



  Birth: April 3
Height: 161cm
Personality: Pure
Good Point: Amazing handwriting
Weak Point: Not good at drawing
Favorite: Dog & all of cute things
Not Favorite: Exercise
Voice Actor: Tohno Mayu

Otomiya Urala



Birth: October 20
Height: 152cm
Personality: Cheerful
Good Point: Good at exercise
Weak Point: Stubborn
Favorite: Sports
Not Favorite: Strawberry Jam

Downloads



Product Information


Voidol - Voice Conversion Models

Voidol software is required to use these models. Check this page for more details.

Guideline for the secondary creation


The permission to create, publish,
and distribute secondary works using the Otomiya Sisters and their voices
is granted only for non-commercial use by individuals or Doujin circles.

Note: We prohibit the following acts.

・To hurt the public image and the honor of Otomiya Sisters, our company and our products
・To use the characters for all acts or purposes contrary to public order and morals
・To use the characters in a misleading way as if the derivative work is official
・To use the characters in the ways that violates or may violate the rights of others



Q&A

Is it OK to post my own drawings of Otomiya Iroha & Urala to social media platforms?

It’s OK. Please feel free to post them.




Is it OK to sell doujinshi of Otomiya Iroha & Urala at comic conventions?

The distribution for a fee is permitted as long as the purpose is to recover the cost of creation.
The consignment to doujin stores is also acceptable under the same conditions.




Is it OK to make a PC game of Otomiya Iroha & Urala and release it on my website?

It’s OK to release the game or application on your website as long as it does not use official illustrations.
However, if you wish to distribute them for sales, please contact us separately from our inquiry form.




Can I organize an event for the Otomiya Iroha & Urala's doujinshi?

Please contact us from our inquiry form.




Can I make a character figure of Otomiya Iroha & Urala?

It is OK to create the character’s figure and 3D model.
However, if you wish to distribute them for a fee, you will need our permission.
Please contact us separately from our inquiry form.




Can I make an acrylic key ring from an official illustration of Otomiya Iroha & Urala?

We prohibit the use of official illustrations as merchandise.
However, if you use your own illustrations, you can create your original goods such as acrylic key rings, clear files, stickers and board games.




I want to post the image of Otomiya Iroha & Urala on my blog to introduce Voidol.

You can post it on your blog even if it generates advertising revenue.




I modified an official illustration of Otomiya Iroha & Urala to create different facial expressions.
Can I distribute the edited image on social media platforms?

Within the scope of public order and morals, we leave it to the discretion of the creator.




Is it OK to draw a sensitive illustration of Otomiya Iroha & Urala?

Within the scope of public order and morals, we leave it to the discretion of the creator.




Can I distribute the songs using Otomiya Iroha & Urala's voice on the streaming services?

No problem.
We hope you will consider distributing your music through CRIMSON MUSIC.




Is it OK to draw Otomiya Iroha & Urala on the artwork of the songs using their voice?

No problem.
The artwork can be used even if the songs are distributed on music streaming services.




Is it OK to cosplay as Otomiya Iroha & Urala?

The cosplay is considered non-commercial as long as the costumes are not for sale.
The photo collections are regarded as one of doujinshi works and can be distributed.




Can I make a movie using Otomiya Iroha & Urala's voice and the official illustrations?

It’s OK.
However, you are not allowed to create a video with extremely political content or any other prohibited content.




Is it OK to receive money donation on the video platforms when I use Otomiya Iroha & Urala's voice?

Receiving money donation or placing advertisements on the video platforms is considered non-commercial use and it is permitted.




The above provisions apply only to individual users.
For corporate use, a separate license shall be required.
Please contact us from our Inquiry Form.

You can check more information from this character guideline.