Riko Azuna

[3] Her music has also been featured in Re:Zero − Starting Life in Another World, Boogiepop and Others, Astra Lost in Space, Cautious Hero: The Hero Is Overpowered but Overly Cautious, Isekai Quartet, So I'm a Spider, So What?, Osamake: Romcom Where The Childhood Friend Won't Lose, Police in a Pod, Trapped in a Dating Sim: The World of Otome Games Is Tough for Mobs and Made in Abyss.

[11] Her 3rd single "Glow at the Velocity of Light" was released on August 21, 2019; the title track was used as the ending theme song to the anime series Astra Lost in Space.

was released on April 28, 2021; the title track was used as the opening theme song to the anime series Osamake: Romcom Where The Childhood Friend Won't Lose.

[18] Her 8th single "selfish" was released on May 11, 2022; the title track was used as the ending theme song to the anime series Trapped in a Dating Sim: The World of Otome Games Is Tough for Mobs.

[19] Her 9th single "Katachi" (かたち, "Shape") was released on August 24, 2022; the title track was used as the opening theme song to the anime series Made in Abyss: The Golden City of the Scorching Sun,[20] while its coupling track "Tomoshibi" (灯火, "Light") was used as the ending theme song to the video game Made in Abyss: Binary Star Falling into Darkness.