U-TREASURE will be relaunching its collaboration simple rings based on Ninjaboy Rantaro — the anime series adapted from Sobei Amako's manga Rakudai Ninja Rantaro — with an expanded character lineup. Reservations are expected to open in late April 2026.
Product Details
| Item | Details |
|---|---|
| Product Name | Ninjaboy Rantaro Simple Ring |
| Reservation Start | Late April 2026 (planned) |
| Price (tax included) / Material | Silver 925: ¥19,800 / Platinum 950: ¥132,000 |
| Available Characters | Rantaro Inadera, Kirimaru Settsuno, Shinbee Fukutomi, Magobee Igasaki, Samon Kanzaki, Sannosuke Tsuguya, Sakubee Tomimatsu, Tounai Urakaze, Kazuma Mitanda, Takiyashomaru Taira, Kihachiro Ayabe, Mikiemon Tamura, Moriichiro Hama, Takamarou Saito, Hyosuke Kukuchi, Kan'emon Obama, Hachiemon Takeya, Saburo Hachiya, Raizo Fuwa, Monjiro Shioye, Senzou Tachibana, Choji Nakazaike, Koheita Nanastsu, Ryusaburo Shokumitsu, Isaku Zenpooji, Hansuke Doi, Rikichi Yamada, Konnaemon Zatogawa |
The lineup covers a total of 28 characters, responding to fan requests following the previous release.
For more information and reservations, visit the U-TREASURE special page: https://u-treasure.jp/special/229
