Anime 'DARK MOON: THE BLOOD ALTAR' - Moonlight on the altar captured in a single gemstone. A ring designed to nestle against the shining moon in the center, featuring engravings of vampire names and icons inside.

U-TREASURE Co., Ltd. (Headquarters: Shinjuku, Tokyo; President: Koichi Aoki, a consolidated subsidiary of K-uno Co., Ltd.) will accept pre-orders for rings in collaboration with the anime 'DARK MOON: THE BLOOD ALTAR' from Wednesday, May 27, 2026, to Wednesday, June 24, 2026, at the U-TREASURE Online Shop and U-TREASURE Concept Stores in Ikebukuro and Shinsaibashi. This is the first time U-TREASURE has handled this license. These new items are rings inspired by the seven vampires appearing in the anime. Each ring features a natural stone representing the character, with the character's name and icon engraved on the inside. Two materials are available: Silver 925 for casual use and Platinum 950 for durability and long-term wear. The prices are 19,800 yen for Silver 925 and 165,000 yen for Platinum 950 (tax included).