Leo Ieiri is a Japanese singer-songwriter from Kurume, Japan, whose music is rooted in contemporary pop and pop-rock. Born on December 13, 1994, and active since the early 2010s, she has become known for expressive vocals, melodic songwriting, and a polished mainstream sound that still keeps a strong emotional core. She is signed to Victor Entertainment, and her work has made her a familiar name for listeners who follow modern Japanese pop as well as anime music.
Ieiri’s songs often focus on personal emotions, relationships, and self-reflection, combining direct lyrical writing with memorable hooks. That balance of clarity and melody has helped define her style within Japan’s pop scene. She is also relevant to anime audiences: her music has appeared in anime-related contexts, and in 2026 she performed the opening theme "Mobius" for the anime Mobius Dust, reinforcing her place among artists whose songs connect pop and anison listeners.
