TV Anime 'Ace of Diamond Act II -Second Season-': Seido High's Pride Forged into a Ring, Engraved with Player Names and Set with a Diamond Signifying 'Indomitable Spirit'

Key facts

  • TV Anime 'Ace of Diamond Act II -Second Season-': Seido High's Pride Forged into a Ring, Engraved with Player Names and Set with a Diamond Signifying 'Indomitable Spirit'
  • U-TREASURE is releasing a ring in collaboration with the popular anime 'Ace of Diamond Act II', inspired by Seido High School. A key feature is the ability to engrave player names, and the design incorporates a diamond. Pre-orders begin on May 13, 2026.
  • Source: PR Times
  • Date: May 13, 2026

Direct answer

U-TREASURE is releasing a ring in collaboration with the popular anime 'Ace of Diamond Act II', inspired by Seido High School. A key feature is the ability to engrave player names, and the design incorporates a diamond. Pre-orders begin on May 13, 2026.

Citation
TV Anime 'Ace of Diamond Act II -Second Season-': Seido High's Pride Forged into a Ring, Engraved with Player Names and Set with a Diamond Signifying 'Indomitable Spirit' (May 13, 2026), PR Times
Source
PR Times
Date
May 13, 2026
U-TREASURE is releasing a ring in collaboration with the popular anime 'Ace of Diamond Act II', inspired by Seido High School. A key feature is the ability to engrave player names, and the design incorporates a diamond. Pre-orders begin on May 13, 2026.
新製品NQ 28/100出典:PR Times

📋 Article Processing Timeline

  • 📰 Published: May 13, 2026 at 21:00
  • 🔍 Collected: May 13, 2026 at 12:31
  • 🤖 AI Analyzed: May 13, 2026 at 23:13 (10h 41m after Collected)
U-TREASURE CO., LTD. (Headquarters: Shinjuku-ku, Tokyo; President: Koichi Aoki; a consolidated subsidiary of K.UNO CO., LTD.) will be accepting pre-orders for a collaboration item with the TV anime 'Ace of Diamond Act II -Second Season-', the 'Diamond Motif Ring,' from Wednesday, May 13 to Wednesday, June 10, 2026, at the U-TREASURE Online Shop and U-TREASURE Concept Stores in Ikebukuro and Shinsaibashi.

This new item is a ring designed with the theme of the TV anime 'Ace of Diamond Act II -Second Season-'. It features a diamond, which also relates to the series title and signifies an 'indomitable spirit,' and is engraved with a player's name on the inside.

Pre-order Period
Wednesday, May 13, 2026 – Wednesday, June 10, 2026

Product Name
Diamond Motif Ring

Product Description
[A Signature Model Featuring the Player's Name]
A ring inspired by Seido High School, themed after the TV anime 'Ace of Diamond Act II -Second Season-,' is now available.
The exterior features a diamond-shaped motif along with blue resin reminiscent of Seido High School.
The interior is set with a diamond, which has the stone meaning of 'indomitable spirit.'
It carries a special meaning that also connects to the series title.
Furthermore, you can have the name of your favorite player (from a total of 12) engraved.
Two materials are available: Silver 925 and Platinum 950.
We have also focused on comfort for daily wear.

Materials & Prices (tax included)
Silver 925: 19,800 JPY
Platinum 950: 165,000 JPY

Retailers
U-TREASURE Online Shop
https://u-treasure.jp/licensor/diaace
U-TREASURE Concept Stores Ikebukuro & Shinsaibashi
https://u-treasure.jp/information/shoplist
Animate

Selectable Characters & Engravings
First Years
Koshu Okumura
Kaoru Yui
Masashi Yuki

Second Years
Eijun Sawamura
Satoru Furuya
Haruichi Kominato

Third Years
Norifumi Kawakami
Kazuya Miyuki
Yoichi Kuramochi

Alumni
Chris Yu Takigawa
Tetsuya Yuki
Ryosuke Kominato

Platinum 950 engraving image (Eijun Sawamura model)
Silver 925 engraving image (Eijun Sawamura model)
Worn image. Delivered in a logo-imprinted box.

Retailer Details
During the pre-order period, samples will be displayed at the U-TREASURE Concept Store Ikebukuro. (The display schedule is subject to change. Please contact the store before visiting.)
Pre-orders can be placed at either the Ikebukuro or Shinsaibashi stores, so please take this opportunity to visit.

Address
Otomeito Bldg. 4F, 1-23-5 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013
ANGLEONE Bldg. 1F, 1-19-21 Higashi-Shinsaibashi, Chuo-ku, Osaka 542-0083
https://u-treasure.jp/information/shoplist

Business Hours
11:00 AM – 7:00 PM

Closed
Wednesdays, Thursdays (open on public holidays), New Year holidays

TV Anime 'Ace of Diamond Act II' Introduction
Eijun Sawamura, a left-handed pitcher belonging to the Seido High School baseball team.
Now a second-year student, Sawamura finally makes his debut at the Spring Koshien Invitational Tournament!
His only goal is to reach the top of the nation!!
For the revival of a powerhouse.
Seido High School baseball team's winning streak begins!!

◆Official Website: https://diaace.com/
◆X (formerly Twitter): https://x.com/diaace_anime

U-TREASURE CO., LTD. https://u-treasure.jp/
Customer Inquiries (U-TREASURE Online Shop)
◆Inquiry Form>> https://u-treasure.jp/contact
◆E-mail>> onlineshop@u-treasure.jp
◆X (formerly Twitter)>> https://x.com/u_treasure_pr
◆Instagram>> https://www.instagram.com/utreasure_official
◆LINE>> https://page.line.me/u-treasure
◆Facebook>> https://www.facebook.com/utreasure.official

FAQ

What are the key facts in this article?

U-TREASURE is releasing a ring in collaboration with the popular anime 'Ace of Diamond Act II', inspired by Seido High School. A key feature is the ability to engrave player names, and the design incorporates a diamond. Pre-orders begin on May 13, 2026.

What is the direct answer?

U-TREASURE is releasing a ring in collaboration with the popular anime 'Ace of Diamond Act II', inspired by Seido High School. A key feature is the ability to engrave player names, and the design incorporates a diamond. Pre-orders begin on May 13, 2026.

What is the source and date?

PR Times: https://prtimes.jp/main/html/rd/p/000000930.000037605.html | May 13, 2026