ROIROM, with members Hamagawa Roi and Honda Hiromu is a Japanese male idol duo formed in 2025. The pair met in 2023 during the ASIA SUPER YOUNG audition, where they advanced to the finals and were later selected to participate in the timelesz project. Their official debut was announced on 8 May 2025 on social media, followed by the launch of a fan club and the duo’s first television appearance on THE突破ファイル the same month. ROIROM’s digital single "Dear DIVA" was released on 19 November 2025 under Victor Entertainment, marking their pre‑debut. On 10 December 2025 the duo released "My Princess". The duo’s activities included a debut showcase at Ariake Arena, a radio program RIM presents ROIROM のあいしてゆー, and multiple appearances on Japanese variety shows such as ZIP! and ヒルナンデス!.
