The Girl with a Light Voice is a Japanese animation featuring m-girls, which tells their daily stories in the department of light music. Animation is characterized by lightness, cuteness and healing, and is deeply loved by the audience. Here are some other similar animation recommendations:

1. boundary trigger: tells the story of teenagers fighting and growing up in the trigger world.

2. Excalibur: tells the story of teenagers fighting in the virtual world.

3. Youth Pig Teen Series: tells the story of teenagers exploring the problems and challenges of modern society.

4. Catalogue of Magic Banned Books: tells the story of young girls fighting and taking risks in the magic world.

5. "A scientific super electromagnetic gun": tells the story of girls fighting and growing up with super powers.

The above are some animations similar to Girl of Light. I hope they will help you.