[First in Chiba Prefecture] Shiroi City and Noujoujin Announce Results of Generative AI PR Video Contest

Shiroi City PR Video Contest Results Announced

Metagri Lab, an agriculture support community promoting agriculture and new technologies (operated by Noujoujin Co., Ltd., headquartered in Funabashi City, Chiba Prefecture, CEO: Yuichiro Kai), announced the results of the regional PR video contest "Metagri Lab presents Shiroi City PR Video Contest," co-hosted with Shiroi City, Chiba Prefecture, and utilizing generative AI, on Thursday, June 18, 2026. This co-hosted regional PR video contest combining a local government and generative AI is the first of its kind among local governments in Chiba Prefecture (according to the company's research as of June 2026).

The Grand Prix was awarded to "Shiroi City Quest," created by Shishamo. Produced by a creator with only about one month of experience using video-generation AI, the work depicts the appeal of relocating through the worldview of a role-playing game (RPG). The video has been adopted as the official Shiroi City PR video and will be utilized on the official city website, social media, city facilities, relocation and settlement events, and sports team events from the summer of 2026 onward.

Background of the Contest

Initiatives to broadcast local charm through video are expanding among local governments nationwide. However, local governments face challenges such as: - High production costs when outsourcing, making it difficult to test multiple angles. - Difficulty finding expressions that resonate with the 20s and 30s parenting demographic, a key target for relocation and settlement. - Busy local government staff who struggle to implement an improvement cycle based on reactions after a video is released.

While Shiroi City possesses appealing aspects such as good access to central Tokyo, agricultural products like pears, nature and parks, and a favorable environment for raising children, it faced challenges in effectively communicating a "concrete image of living in Shiroi City" to the 20s and 30s parenting demographic. Therefore, this contest utilized video-generation AI not merely as a tool for production efficiency, but as a means for creators nationwide to diversely interpret and express the charm of Shiroi City. This project is a demonstration of "co-creation city promotion"—rather than producing a single "correct" video, it generates multiple expressions from the same local material to discover which angle truly resonates.

Contest Overview

Under the theme of "A Relaxed Life Fulfilled in Shiroi," the contest aimed to deliver the charm of Shiroi City to parenting households who do not yet know the city, through fresh perspectives and video expressions by video creators nationwide. - Contest Name: Metagri Lab presents Shiroi City PR Video Contest - Co-hosts: Shiroi City / Metagri Lab (Operator: Noujoujin Co., Ltd.) - Application Period: April 15 - May 15, 2026 - Theme: A Relaxed Life Fulfilled in Shiroi - Number of Submissions: 31 works - Video Specifications: 30 to 60 seconds - Results Announcement: Thursday, June 18, 2026 - Gallery: https://shiroi-pr-video-contest.metagri-labo.com/gallery

The Same "Shiroi City" Expressed in Such Variety

The most notable aspect of this contest was not the "number" of submissions, but the "breadth of angles." Under the common theme of "A Relaxed Life Fulfilled in Shiroi," 28 creators nationwide expressed the same city from completely different perspectives—such as likening relocation to an RPG quest, staying close to the daily life of a parenting household, or capturing the "just right" feeling of Shiroi City. The fact that such diverse "faces of the city" emerged from a single local material demonstrates the potential of co-creation city promotion utilizing video-generation AI.

Judging Results

### [Grand Prix] "Shiroi City Quest" Creator: Shishamo

<Evaluation> The work clearly expresses the value of living in Shiroi City in an RPG worldview, while addressing life challenges such as childcare, long commutes, and high housing costs in central Tokyo. The video depicts moving to Shiroi City as a "quest to select a new town," introducing attractions like transportation access, childcare environment, and living conditions with game-like direction. It was highly praised for its planning ability to capture Shiroi City's intention to "deliver a concrete image of living in Shiroi City" to the 20s and 30s parenting generation, which was not explicitly stated in the application guidelines.

<Winner's Comment> I am very surprised and happy to be selected for the Grand Prix. This was my first video contest, and I created it with the thought of making a work that makes viewers smile and pleases the people of Shiroi City. The characters' clothes incorporate the three colors of the Shiroi City symbol mark, and the charm of living there is introduced like game commands, devising ways to convey the content enjoyably in one minute. It was a challenge with only about a month of video-generation AI experience, but through trial and error, I realized the potential to turn ideas into video. I hope this work conveys the charm of Shiroi City and makes people feel "I want to live there." I deeply thank the people of Shiroi City, the judges, and everyone who watched the work.

<Highlight of this Work: A Challenge with About 1 Month of AI Video History> The Grand Prix winner, Shishamo, started using video-generation AI about a month ago. Without professional video production experience, they completed this work through trial and error. It is a piece that embodies the potential that "anyone can express regional charm through video as long as they have an idea."

### Other Winning Works - Semi-Grand Prix: "Let's Live Freely! Shiroi City" by Daisuke Tanaka - Shiroi City Special Award: "Shiroi City is Just Right" by Shiho Seki - Shiroi City Special Award: "Shiroi is Interesting" by @HH56099005 - Metagri Lab Award: "This is My Town" by Oyuki - Noujoujin Award: "The Place Where Family Smiles, Shiroi" by Hana Petal

Co-host Comments

Shiroi City: We sincerely thank the creators nationwide for submitting so many original and enthusiastic works for the "Shiroi City PR Video Contest," co-hosted with Metagri Lab (Noujoujin Co., Ltd.). Shiroi City has many attractions, such as good access to central Tokyo, our nationally famous "pears," rich natural environments and parks, and a living environment where children can be raised with peace of mind. However, we have faced challenges in information dissemination capability and have been exploring how to deliver a "concrete image of living in Shiroi City" to the parenting generation in their 20s and 30s to evoke empathy. Upon seeing the submitted works and production processes, we realized that the creators deeply investigated Shiroi City's nature, pear production scenery, childcare support environment, access to the city center, and even the calm atmosphere of the area, even though some may have just learned about Shiroi City. The Grand Prix work selected this time will be