Editor’s Note
**Editor’s Note:** This article highlights the launch of a new line of quote-engraved rings inspired by the *Kaiji* series, featuring iconic lines from characters like Kaiji and Tonegawa. Available in six designs, the rings come with a jewelry acrylic stand for display. Reservations are open until May 18.
U-TREASURE Co., Ltd.
April 8, 2026, 12:00 JST
U-TREASURE Co., Ltd. (Headquarters: Shinjuku-ku, Tokyo; President & Representative Director: Koichi Aoki; a consolidated subsidiary of K. Uno Co., Ltd.) is launching the “Quote Rings,” a collaboration item with the popular gambling manga “Kaiji.” Reservations will be accepted from April 8 (Wednesday) to May 18 (Monday), 2026, at the U-TREASURE online shop and U-TREASURE Concept Stores in Ikebukuro and Shinsaibashi.
This marks U-TREASURE’s first licensing deal for this series.
These new rings feature each character’s name engraved on the outer side, and a “life philosophy in one phrase” uttered by them engraved on the inner side. As a purchase bonus, one acrylic jewelry stand will be given for each item purchased.
April 8 (Wednesday) – May 18 (Monday), 2026
19,800 yen (Silver 925)
110,000 yen (Platinum 950)
U-TREASURE Online Shop: https://u-treasure.jp/licensor/kaiji
U-TREASURE Concept Stores Ikebukuro & Shinsaibashi: https://u-treasure.jp/information/shoplist
Animate
Quote Ring
Life is always a gamble.
But the real danger is not betting.
This ring, shining on your finger, is a badge of honor for those who chose without fear of risk.
—Win or lose, it lies ahead on the path you chose.
Engraved on the outer side is each character’s name,
and on the inner side, a “life philosophy in one phrase” they uttered.
In moments of hesitation and pause—what is it you seek…!?
As a bonus, a jewelry acrylic stand is included, allowing you to display it alongside iconic scenes.
The heat of that moment, forever on your fingertips.
Quote Ring Hyodo
Quote Ring 班长
Quote Ring Ichijo
Quote Ring Tonegawa
Quote Ring Kazuya
Samples will be on display at the U-TREASURE Concept Store Ikebukuro during the reservation period. Please take this opportunity to visit.
*Display schedule may be subject to change. Please contact the store before visiting.
Address: Otomeito Building 4F, 1-23-5 Higashi-Ikebukuro, Toshima-ku, Tokyo 170-0013
Business Hours: 11:00–19:00
Regular Holidays: Wednesdays & Thursdays (open on public holidays), Year-end and New Year holidays
Reservations for the “Pinzoro Dice” collaboration item with “Kaiji” are also being accepted during the same period (April 8 (Wednesday) – May 18 (Monday), 2026).
The “Kaiji” series, a hugely popular manga by Nobuyuki Fukumoto, began serialization in “Weekly Young Magazine” (Kodansha) in 1996. It is a gambling manga masterpiece in which the protagonist, Kaiji Ito, burdened with massive debt, takes on life-or-death gambles. The original gambling games and the extreme psychological battles depicted through unique expressions captivate readers. As of October 2023, the series has sold over 30 million copies in total.
© Nobuyuki Fukumoto / Kodansha
U-TREASURE Co., Ltd.
https://u-treasure.jp/
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