Reira Ushio (汐れいら) is a Japanese solo artist whose recent activity has centered on the EP HB2U and the song "deja vu." On 2026-02-03, she announced the advance digital release of "deja vu" from HB2U, drawing attention to the project ahead of the full rollout.
In March 2026, Ushio also expanded her visibility through collaborations with Yuuri: on 2026-03-17 they released a video performance of her song "Sentimental Kiss," and on 2026-03-23 they shared a collaboration singing video for "deja vu."
