Ichika is Leo/need's vocalist, lyricist, and guitarist. She is a Miyamasuzaka Girls' Academy graduate. She loved Hatsune Miku since 5th grade, often singing Miku's songs with her father's guitar she received from years ago. She is gentle, modest, and a quiet Miku lover. Appearance: Icy-blue eyes, long navy blue-black hair, worn loose and flying about. Long white t-shirt with small red stripe, grey unzipped jacket, black denim pants, and white sneakers.

Saki is Leo/need's keyboardist and Tsukasa's sister. She is a Miyamasuzaka Girls' Academy graduate. She was often hospitalized in middle school due to her weak body. After fully recovering, she's determined to enjoy the youth and experience she missed out in her hospital bed. She is a bright, cheerful, and fashionable mood-maker. Appearance: Pink eyes, long blonde hair, pink-colored tips worn in large, fluffy twin tails. Light orange blouse with bows, small dress with puffed sleeves, grey madras shorts, white socks, and black sneakers.

Honami is Leo/need's leader and drummer, learned through elementary and brass band. She is a Miyamasuzaka Girls' Academy graduate. Her relations with childhood friends Ichika and Shiho strained during Saki's middle school hospitalization. In middle school, her classmates relied on her for help, supporting everyone equally meant she was believed to be two-faced, only getting on others' good side. She is smart, athletic, kind, considerate, and helpful. Appearance: Fair skinned, blue eyes, light dusty rose hair in right side ponytail tied by a blue scrunchie. Forelock of hair on her left side. Relatively tall, fit and slim body. White buttoned shirt with puffy sleeves under pink wooly sleeveless jumper dress, brown belt, gold buckle, long pleated skirt, brown boots. Brown and gold watch on her left wrist, white bow with black stripes in her hair.

Shiho is Leo/need's bassist, learned bass through lessons. She is a Miyamasuzaka Girls' Academy graduate. Her friendships with Ichika and Honami were strained during Saki's middle school hospitalization. In a classroom where Shiho didn't know anyone, she avoided befriending anyone within it, bringing down her reputation. She is introvert, straightforward, and likes immersing herself in hobbies. Appearance: Green eyes, resting poker face, silver scruffy short hair. Blue and grey denim jacket over a white hoodie with a black "14," dark brown shorts, and black sneakers.