Popular VTuber x Round One Collaboration 'Mate na Round One feat. MonsterZ MATE & Utai Meika & Tenkai Tsukasa & Satou Holmes' is a Hit! Video of the 5 Taking on Bowling Released and New Merch Added!
High Season Inc. announced the release of a collaboration video and the addition of new merchandise for the VTuber event 'Mate na Round One' currently held at all Round One stores. New items like acrylic mascots are available at select stores and online.
📋 Article Processing Timeline
- 📰 Published: April 24, 2026 at 20:00
- 🔍 Collected: April 24, 2026 at 11:31
- 🤖 AI Analyzed: April 25, 2026 at 02:23 (14h 51m after Collected)
High Season Inc. (Headquarters: Chiyoda-ku, Tokyo / Representative Director: Atsushi Ito) is pleased to announce that for the "Mate na Round One feat. MonsterZ MATE & Utai Meika & Tenkai Tsukasa & Satou Holmes (hereafter, this collaboration)," which has been running at all Round One stores since Wednesday, April 1, 2026, a collaboration video has been released and additional sales of new merchandise have begun.
For the new merchandise, three items featuring mini-character illustrations have newly appeared: acrylic mascots, glitter stickers, and can badges (sold via capsule toy machines).
New Merchandise Information
Sales began at the opening time of each store on Friday, April 24 at three locations: Kichijoji, Ikebukuro, and Umeda.
■ Trading Acrylic Mascot: 880 yen (tax included) / Complete Set 4,400 yen (tax included)
■ Trading Glitter Sticker: 550 yen (tax included) / Complete Set 2,750 yen (tax included)
■ Can Badge: 500 yen (tax included) Capsule toy sale
Size: 57φ
★ Acrylic Stand Sparkling Jump ver.: 1,650 yen (tax included) is also still on sale.
Sales start on the High Season Online Shop!
A mail-order page for the collaboration goods has been opened on the High Season Online Shop.
Sales Period: Until Sunday, July 5, 2026, 23:59
Estimated Delivery: Early August 2026
High Season Online Shop
https://highseason-onlineshop.com/shops/MATER1
Collaboration Video Released
A collaboration video featuring 'MonsterZ MATE', 'Utai Meika', 'Tenkai Tsukasa', and 'Satou Holmes' has been released on the official MonsterZ MATE YouTube channel. You can enjoy watching the five of them fully savoring Round One, including enjoying the collaboration menu, talking in the karaoke collaboration room at the Kichijoji store, and experiencing bowling for the first time in a while.
■ Collaboration Video
Collaboration Overview
In this collaboration, we have prepared various contents and are waiting for everyone.
Bowling Exciter Production
You can change the production on the bowling score display monitor to a special specification for this collaboration. All 8 types of production videos are newly shot movies by 'MonsterZ MATE', 'Utai Meika', 'Tenkai Tsukasa', and 'Satou Holmes'.
Collaboration Menu Sales
You can enjoy drinks inspired by each VTuber (850 yen each, tax included) and food items such as plates named after the popular segment "Who is the King of Holding It" (1,090 yen each, tax included). For every collaboration menu item ordered, you will receive one trading card as a novelty gift.
First Half Novelty (April 1 - May 15): Trading Cards, 8 types in total
Second Half Novelty (May 16 - June 28): Trading Cards, 10 types in total
Karaoke Collaboration Room
Exclusive to the Kichijoji store, we will deploy a collaboration room decorated for this collaboration. In addition to the interior decorations, we have prepared a space where you can fully enjoy the collaboration, such as special videos exclusive to the collaboration room and handwritten wall signatures by 'MonsterZ MATE', 'Utai Meika', 'Tenkai Tsukasa', and 'Satou Holmes'.
Collaboration Pack Sales
We will sell collaboration packs at bowling, karaoke, billiards, darts, and Spo-cha facilities at Round One nationwide. Customers using the collaboration pack will receive an original B4 visual mat (2 types in total, random) as a gift.
■ MonsterZ MATE
Official YouTube Channel: https://www.youtube.com/@MonsterZMATE
Official X: https://twitter.com/monsterzmate
Copyright: ©Balus
■ Utai Meika
Official YouTube Channel: https://www.youtube.com/@UTAIMEIKA
Official X: https://x.com/meikahaotoko
Copyright: ©UTAI_MAKEA
■ Tenkai Tsukasa
Official YouTube Channel: https://www.youtube.com/@tenkaitsukasa
Official X: https://x.com/tenkaitukasa
Copyright: ©TenkaiTsukasa
■ Satou Holmes
Official YouTube Channel: https://www.youtube.com/@satouholmes
Official X: https://x.com/satouholmes
Copyright: ©Satou Holmes
■ High Season Inc.
Corporate Site: https://highseason.jp/
works: h
For the new merchandise, three items featuring mini-character illustrations have newly appeared: acrylic mascots, glitter stickers, and can badges (sold via capsule toy machines).
New Merchandise Information
Sales began at the opening time of each store on Friday, April 24 at three locations: Kichijoji, Ikebukuro, and Umeda.
■ Trading Acrylic Mascot: 880 yen (tax included) / Complete Set 4,400 yen (tax included)
■ Trading Glitter Sticker: 550 yen (tax included) / Complete Set 2,750 yen (tax included)
■ Can Badge: 500 yen (tax included) Capsule toy sale
Size: 57φ
★ Acrylic Stand Sparkling Jump ver.: 1,650 yen (tax included) is also still on sale.
Sales start on the High Season Online Shop!
A mail-order page for the collaboration goods has been opened on the High Season Online Shop.
Sales Period: Until Sunday, July 5, 2026, 23:59
Estimated Delivery: Early August 2026
High Season Online Shop
https://highseason-onlineshop.com/shops/MATER1
Collaboration Video Released
A collaboration video featuring 'MonsterZ MATE', 'Utai Meika', 'Tenkai Tsukasa', and 'Satou Holmes' has been released on the official MonsterZ MATE YouTube channel. You can enjoy watching the five of them fully savoring Round One, including enjoying the collaboration menu, talking in the karaoke collaboration room at the Kichijoji store, and experiencing bowling for the first time in a while.
■ Collaboration Video
Collaboration Overview
In this collaboration, we have prepared various contents and are waiting for everyone.
Bowling Exciter Production
You can change the production on the bowling score display monitor to a special specification for this collaboration. All 8 types of production videos are newly shot movies by 'MonsterZ MATE', 'Utai Meika', 'Tenkai Tsukasa', and 'Satou Holmes'.
Collaboration Menu Sales
You can enjoy drinks inspired by each VTuber (850 yen each, tax included) and food items such as plates named after the popular segment "Who is the King of Holding It" (1,090 yen each, tax included). For every collaboration menu item ordered, you will receive one trading card as a novelty gift.
First Half Novelty (April 1 - May 15): Trading Cards, 8 types in total
Second Half Novelty (May 16 - June 28): Trading Cards, 10 types in total
Karaoke Collaboration Room
Exclusive to the Kichijoji store, we will deploy a collaboration room decorated for this collaboration. In addition to the interior decorations, we have prepared a space where you can fully enjoy the collaboration, such as special videos exclusive to the collaboration room and handwritten wall signatures by 'MonsterZ MATE', 'Utai Meika', 'Tenkai Tsukasa', and 'Satou Holmes'.
Collaboration Pack Sales
We will sell collaboration packs at bowling, karaoke, billiards, darts, and Spo-cha facilities at Round One nationwide. Customers using the collaboration pack will receive an original B4 visual mat (2 types in total, random) as a gift.
■ MonsterZ MATE
Official YouTube Channel: https://www.youtube.com/@MonsterZMATE
Official X: https://twitter.com/monsterzmate
Copyright: ©Balus
■ Utai Meika
Official YouTube Channel: https://www.youtube.com/@UTAIMEIKA
Official X: https://x.com/meikahaotoko
Copyright: ©UTAI_MAKEA
■ Tenkai Tsukasa
Official YouTube Channel: https://www.youtube.com/@tenkaitsukasa
Official X: https://x.com/tenkaitukasa
Copyright: ©TenkaiTsukasa
■ Satou Holmes
Official YouTube Channel: https://www.youtube.com/@satouholmes
Official X: https://x.com/satouholmes
Copyright: ©Satou Holmes
■ High Season Inc.
Corporate Site: https://highseason.jp/
works: h