Gender: Female Age: 16 (9th Grade) Height: 158cm Weight: 42kg Occupation: Middle School Student (3rd Year) Features: She has cyan twin-tails and a lively personality. She is close friends with Teto and Neru. She is a regular customer who often visits with Neru.

Gender: Female (Let's assume so...) Age: 31 Height: 159.5cm Weight: 47kg Occupation: Cafe Owner Features: She has red drill-like twin-tails. She has a calm and mature personality, perhaps due to her age. She is close friends with Miku and Neru.

Gender: Female Age: 17 (10th Grade) Height: 150cm Weight: 38kg Occupation: High School Student (1st Year) Features: She has a yellow ponytail and a tsundere personality. She is often seen looking at her phone and is active as a YouTuber. She is close friends with Teto and Miku, and is a regular who visits with Miku.

Gender: Female Age: 14 (7th Grade) Height: 152cm Weight: 43kg Occupation: Middle School Student (1st Year) Features: She wears a white ribbon headband and has short yellow hair. She has a lively personality and is close friends with Una. She is Len's twin sister and always comes with him.

Gender: Male Age: 14 (7th Grade) Height: 152cm Weight: 43kg Occupation: Middle School Student (1st Year) Features: He has yellow hair and, unlike Rin, has a quiet personality. He is Rin's twin brother and always comes with her.

Gender: Female Age: 17 (10th Grade) Height: 168.9cm Weight: 20kg Occupation: High School Student (1st Year) Features: She has short orange hair, a lively personality, and a great interest in science.

Gender: Female Age: 11 (4th Grade) Height: 148.5cm Weight: Secret(?) Occupation: Elementary School Student (4th Year) Features: She wears a navy Otamatone hat and has navy twin-tails. She has a lively personality and is close friends with Rin.

Gender: Female Age: 20 Height: 162cm Weight: 45kg Occupation: Fitness Trainer Features: She has long pink hair. Being a trainer, she is responsible, calm, and athletic. She sometimes visits straight from working out, still in her gym clothes and sweating.

Gender: Female Age: 15 (8th Grade) Height: 163cm Weight: 48kg Occupation: Middle School Student (2nd Year) Features: She has short green hair and a lively personality.

Gender: Female Age: 18 (11th Grade) Height: 159cm Weight: Secret(?) Occupation: High School Student (2nd Year) Features: She has long light purple hair and is calm and shy.