17LIVE and Kawauso Usoyan Launch First-Ever Collaboration Event

Published: February 28, 2026
17LIVE and Kawauso Usoyan Launch First-Ever Collaboration Event

A first-ever collaboration between the live streaming platform 17LIVE and the beloved otter character Kawauso Usoyan has kicked off. The special event, titled "Eh, Usoyan!? Kawauso Usoyan Arrives on 17LIVE!", runs from February 27 to March 15, 2026.

17LIVE regularly hosts various collaboration projects and events with the goal of making live streaming enjoyable and accessible for everyone—whether they are seasoned streamers or complete newcomers. This time, the platform is partnering with Kawauso Usoyan, a character whose catchphrase is "usoyan!" (roughly "No way!"), to help bring the fun of live streaming to even more people.

During the event period, Kawauso Usoyan-themed collaboration gifts (paid) will be available for all 17LIVE users. Based on the number of gifts collected or points earned, eligible users and top-ranking participants will receive exclusive Kawauso Usoyan digital prizes and merchandise.

Event Details

Event Period

February 27, 2026 (Friday) to March 15, 2026 (Sunday)

Eligibility

Open to all 17LIVE users

Prizes (Selected Examples) ※All images are for illustrative purposes

Kawauso Usoyan Mug Cup

Kawauso Usoyan Mug Cup

Koge-chan Plushie

Koge-chan Plushie

Usoyan Osakana Plushie

Usoyan Osakana Plushie

Nico Nico Pearugurumi

Nico Nico Pearugurumi

BIG Koge-chan Plushie

BIG Koge-chan Plushie

Kawauso Usoyan Pen Pouch (Usoyan)

Kawauso Usoyan Pen Pouch (Usoyan)

Kawauso Usoyan T-Shirt (Fish / Usoyan)

Kawauso Usoyan T-Shirt (Fish / Usoyan)

Kawauso Usoyan T-Shirt (Good Night / Usoyan)

Kawauso Usoyan T-Shirt (Good Night / Usoyan)

Kawauso Usoyan T-Shirt (Surprised / Usoyan)

Kawauso Usoyan T-Shirt (Surprised / Usoyan)

Note: The event period and content are subject to change without prior notice. For full prize details and event information, check the event page within the 17LIVE app.

About Kawauso Usoyan

Kawauso Usoyan is an otter character whose catchphrase is "usoyan!" (roughly "No way!"). Working at the fictional Uso Aquarium, every day brings a string of unexpected happenings. The character has also collaborated with internationally recognized artists on YouTube and social media. Since its launch in 2019, the "Kawauso Usoyan" line of plushies and merchandise has been loved by fans around the world, with cumulative series sales exceeding approximately 780,000 items. It's the combination of cuteness, storyline, and a quirky personality gap that continues to win over so many people.

Official Website: https://www.amunet.co.jp/character/kawauso_usoyan.html

How to Watch 17LIVE

To take part in the event, download the free 17LIVE app and register for an account.

App Download: https://17apps.onelink.me/i7CY/17LivePR

Note: Some features and content within the app require payment. Data charges apply.