Hiori is a cheerful, energetic girl who can befriend anyone. If she sees someone in trouble, she always wants to help and she has a tendency to act before thinking things through. She treasures her older sister a lot.

✨平原陽桜莉（ひらはら ひおり）　CV.#石見舞菜香

💡陽桜莉はこんなキャラクター！
*⃣明るくまっすぐで天真爛漫。
*⃣困っている人を放っておけない。
*⃣お姉ちゃんのことを大切に思っている。#ブルリフR #アニメイズム pic.twitter.com/Ahw4DW9ifS

— TVアニメ『BLUE REFLECTION RAY/澪』4月9日放送開始 (@BRRAY_anime) March 5, 2021

Ruka transfers schools and ends up in Hiori’s class. She’s very quiet and awkward when interacting with people, which makes people think she’s a lone wolf. However, her true feelings are of wanting to change herself.

✨羽成瑠夏（はなり るか）　CV.#千菅春香

💡瑠夏はこんなキャラクター！
*⃣クールな転入生。
*⃣人とのコミュケーションはちょっと苦手。
*⃣しかしそんな自分から変わりたいと思っている。#ブルリフR #アニメイズム pic.twitter.com/wsNoraguPi

— TVアニメ『BLUE REFLECTION RAY/澪』4月9日放送開始 (@BRRAY_anime) March 5, 2021

Momo is 18 years old, one year older than Hiori and Ruka. She retook a year in high school twice, but ended up dropping out and is now working part-time jobs. In the past she was quite the rebel, but these days she seems to have calmed down. However, sometimes her old habits show in her language or attitude. She’s good at taking care of people and they frequently come to rely on her.

✨田辺 百（たなべ もも）　CV.#高倉有加

💡モモはこんなキャラクター！
*⃣元ヤンキーで、今はフリーター。
*⃣面倒見の良い頼れる姉御肌。
*⃣中途半端は嫌い。#ブルリフR #アニメイズム pic.twitter.com/yEItBpk7Jx

— TVアニメ『BLUE REFLECTION RAY/澪』4月9日放送開始 (@BRRAY_anime) March 5, 2021

Miyako is one of Hiroi’s and Ruka’s classmates. Her family is very rich so people are often jealous of her, but she has struggles that she can’t tell anyone about. She’s quite strong-willed and often says things bluntly, which gives people a harsh impression of her.

✨白樺 都（しらかば みやこ）　CV.#大和田仁美

💡都はこんなキャラクター！
*⃣家がお金持ち。
*⃣しかしそれ故の悩みも・・・。
*⃣ツンケンしているけど実は優しい、いわゆるツンデレな一面も。#ブルリフR #アニメイズム pic.twitter.com/D3gJ8o3WMJ

— TVアニメ『BLUE REFLECTION RAY/澪』4月9日放送開始 (@BRRAY_anime) March 5, 2021

Mio is Hiori’s older sister. The two girls lost their father at an early age and have been living on their own ever since their mother went missing five years ago. The only family that Mio has left now is Hiori, so she puts the well-being of her younger sister above everything else. To Hiori, Mio is like a kind parent who is always there to support her.

✨平原美弦（ひらはら みお） CV.#上田麗奈

美弦はこんなキャラクター💡
*⃣陽桜莉のお姉ちゃん
*⃣両親がいない代わりに陽桜莉を優しく支えてきた
*⃣実は、陽桜莉以外にも美弦のことを姉と慕う人が・・・#ブルリフR #アニメイズム pic.twitter.com/nWsqZunD3W

— TVアニメ『BLUE REFLECTION RAY/澪』4月9日放送開始 (@BRRAY_anime) March 12, 2021

Nina is a young girl who ran away from home. She wanders around the city in despair with no place to go and ends up meeting Mio. After their encounter, Nina decides to live her life for Mio and henceforth calls her “sister.” Having led a long, hard life, she is straightforward and impulsive, and uses rough language when talking to everyone except Mio.

✨山田仁菜（やまだ にいな） CV.#玉城仁菜

ニーナはこんなキャラクター💡
*⃣元家出少女
*⃣澪のことを「お姉さま」と呼び、彼女のために生きたいと願うほどの心酔ぶり
*⃣美弦以外の相手への言葉遣いは荒っぽい#ブルリフR #アニメイズム pic.twitter.com/APKmXBznzh

— TVアニメ『BLUE REFLECTION RAY/澪』4月9日放送開始 (@BRRAY_anime) March 12, 2021

Uta is an eccentric girl who does things at her own pace and always seems to be in her own world. She believes that pain is what truly makes you feel alive, so she is always seeking out physical and mental pain. She provokes others on purpose by egging them on so that they use violence or abusive language towards her.

✨駒川 詩（こまがわ うた） CV.#田辺留依

詩はこんなキャラクター💡
*⃣マイペースで捉えどころのない性格
*⃣身体的、精神的な痛みを常に求めている、ちょっと変わった少女
*⃣よく一緒に行動するニーナをいじるのが趣味#ブルリフR #アニメイズム pic.twitter.com/3wWVL0ht4g

— TVアニメ『BLUE REFLECTION RAY/澪』4月9日放送開始 (@BRRAY_anime) March 12, 2021

Shino is chronically ill and often unable to go outside. Mio takes good care of her, so Shino looks up to her as a sister. She is a mysterious girl who looks much younger than she should for her age.

✨水崎紫乃（みずさき しの） CV.#井澤詩織

紫乃はこんなキャラクター💡
*⃣ほとんど外出せず、美弦が身の回りの世話をしている
*⃣美弦のことを「お姉ちゃん」と呼び慕っている
*⃣見た目がかなり幼い、ミステリアスな少女#ブルリフR #アニメイズム pic.twitter.com/fRUqWGLMyZ

— TVアニメ『BLUE REFLECTION RAY/澪』4月9日放送開始 (@BRRAY_anime) March 12, 2021