Mashiro Kurata (Vo.) Height: 156cm Personality: Very reserved, kind, and slightly negative. She has a rich imagination and often gets lost in fantasy worlds. Likes: Stories, fantastical worlds, gentle moments Dislikes: Having self-confidence, food meant for children Habitual phrases: "Someone like me..." "But..." Address terms: Touko -> "Touko-chan" Nanami -> "Nanami-chan" Tsukushi -> "Tsukushi-chan" Rui -> "Rui-san" Morfonica's vocalist and lyricist. She is highly sensitive and has a talent for turning beautiful scenery and emotions into lyrics. Initially lacking confidence and prone to nerves during lives, she gradually moves forward with the support of her friends. Her growth is the heart of Morfonica's story.

Touko Kirigaya (Gt.) Height: 164cm Personality: Extremely positive, bright, and popular. Likes: Fashion, social media, trends Habitual phrases: "Easy-peasy♪" "Sounds good!" Address terms: Mashiro -> "Shiro" Nanami -> "Nanami" Tsukushi -> "Fusuke" Rui -> "Rui" The quintessential mood maker. A natural genius who can handle almost anything skillfully, though she can be fickle. While she started the band on a whim, she begins to take music seriously as she spends time with her bandmates. She is a vital presence who encourages Mashiro and brightens the band's atmosphere.

Nanami Hiromachi (Ba.) Height: 157cm Personality: Gentle and spacey. Likes: Bread, a normal student life Habitual phrases: "Being normal is nice, isn't it?" Address terms: Mashiro -> "Mashiro-chan" Touko -> "Touko-chan" Tsukushi -> "Tsu-chan" Rui -> "Ruirui" Actually a highly gifted girl, but because of that, she yearns for "normalcy." Her ability to do anything skillfully is ironically a source of worry for her, and she treasures the time she spends working hard alongside her friends in Morfonica. She is the group's healer who softens the mood with her airheaded remarks.

Rui Yashio (Vn.) Height: 169cm Personality: Calm, collected, and cool. Likes: Music, hard work Habitual phrases: "Let us look at reality." Address terms: Mashiro -> "Kurata-san" Touko -> "Kirigaya-san" Nanami -> "Hiromachi-san" Tsukushi -> "Futaba-san" Morfonica's composer, possessing professional-level violin skills. She was the type to prioritize logic over emotion, but through her activities with her bandmates, she learns the value of a "path led by emotion." While she may seem unapproachable at first, she is actually caring and possesses a clumsy sort of kindness.

Tsukushi Futaba (Dr.) Height: 150cm Personality: Serious and hardworking. Has a strong sense of responsibility. Likes: Hair styling, being useful to others Habitual phrases: "As the leader!" Address terms: Mashiro -> "Mashiro-chan" Touko -> "Touko-chan" Nanami -> "Nanami-chan" Rui -> "Rui-san" The leader of Morfonica. She also serves as the class representative. Though a bit clumsy, she works harder than anyone and values her friends above all else. Her struggle to keep everyone together as a leader, despite her own worries, has earned her the love of many fans.