Ayahi Takagaki, Carin Isobe, Marina Horiuchi, Akane Kumada, and Chihaya Yoshitake are Japanese singers primarily known for their collective work as the musical unit Healer Girls, formed in late 2020. The group began by uploading cover songs of anime themes on the Lantis YouTube channel before releasing their debut mini-album, Voices Vol. 1 - Anison Chorus Cover Album, on March 26, 2021. They are most recognized for their contributions to the 2022 anime television series Healer Girl, where they performed extensively as the vocal cast for the main characters. For this series, the five artists together, under the name Healer Girls, performed the opening theme song Feel You, Heal You and the ending theme song Believe like Singing. They also performed the insert song Feel You, Heal You as a group in episode twelve.

Individually, each member has her own distinct music career connected to anime. Ayahi Takagaki, born October 25, 1985 in Tokyo, graduated from a music college with a major in operatic singing. She is a member of the quartet Sphere, which she formed with Aki Toyosaki, Haruka Tomatsu, and Minako Kotobuki. As a solo artist, she has contributed songs to numerous anime soundtracks, including Kimi ga Iru Basho for Seikimatsu Occult Gakuin, Hikari no Fillment for Densetsu no Yuusha no Densetsu, Meteor Light for Senki Zesshou Symphogear, and Rebirth-day for Senki Zesshou Symphogear GX. In Healer Girl, she performed the insert songs Waratteru Kimi ni in episode one, Yama ni wa Suteki na Mono ga Aru~Teppen Made Noborou with Akane Kumada in episodes ten and eleven, and Manabi Tamae with others in episode three.

Carin Isobe, born May 26, 1994 in Nara Prefecture, began her singing career in 2015 with the opening theme for Go! Princess Precure. She became part of the vocal and performance unit BlooDye in 2019. In Healer Girl, she was the most featured vocalist among the group, performing solo versions of several insert songs including Kasaneyō, Uta wo in episode one, Yawaraka na Oto no Naka de in episode one, Chiisana Koe, Ookina Sekai in episode twelve, and a solo credited in episode one for Watashi no Yume no Wake alongside other members.

Marina Horiuchi made her solo singer debut with her first album Nano Story in March 2021. She released her first single, Mizukagami no Sekai, which served as the ending theme for The Devil is a Part-Timer! Season 2, in July 2022. Her third single, Glitter, released on July 31, 2024, was used as the ending theme for the anime Dahlia in Bloom. In Healer Girl, she performed the solo insert songs Nesting Birds in episode eight and Suteki na Omotenashi in episode eight.

Akane Kumada sang the ending theme song Another Self for the anime Hero Classroom. The single also includes a collaboration track with Higuchi Kaede. In Healer Girl, she performed duets and group songs including Yama ni wa Suteki na Mono ga Aru~Teppen Made Noborou with Ayahi Takagaki.

Chihaya Yoshitake, born March 28, 1999 in Hiroshima Prefecture, won the Jury Special Award at the 2017 Anisong Stars competition. She is best known for singing the ending themes for the Pretty Cure franchise, including Papepipu Romantic and Oshiete! Twinkle for Star Twinkle PreCure, and the theme song for Wonderful PreCure! In Healer Girl, she performed the solo insert songs Ari no Mama no Kimi ni and Sleep tight, Sweet dreams in episode six.

Beyond Healer Girl, the five artists have appeared on various compilation albums and character song collections for major franchises, including The Idolmaster Shiny Colors, Uma Musume Pretty Derby, Project Sekai Colorful Stage feat. Hatsune Miku, and Pretty Cure. Their collective and individual work represents a significant presence in anime music, bridging choral and pop styles with voice-driven performance.