|School||Miyamasuzaka Girls Academy (Class 1-C)|
- "I wonder if every day will just be the same as always..."
- ―Hoshino Ichika
Ichika is childhood friends with her fellow band members.
Ever since she was a child, she loved Hatsune Miku. Ichika would often sing Miku's songs while playing on the guitar she got from her father.
Ichika has blue eyes and long black hair, worn loose.
Her casual outfit consists of a red and black plaid blouse covered with a gray hoodie jacket, black denim pants, and black and white sneakers.
Her band uniform consists of a white sleeveless blouse with a leather strap on her right shoulder attached to a black pleated skirt with blue accents, along with a blue jacket wrapped around her waist. She also wears a single black glove on her right hand, a pair of leather straps on her right thigh, and black mid-calf boots with black socks.
Although she seems stoic at first, Ichika is a kind girl who is always thinking about her friends. According to Honami, she can't always communicate well. She enjoys listening to Hatsune Miku songs and taking care of cacti.
- Tenma Saki: Childhood friends and classmate. Ichika feels Saki is always smiling while Saki is glad Ichika is always there for her.
- Mochizuki Honami: Childhood friends, but their relationship became strained. Ichika thinks Honami is always nice to everyone, but Honami thinks Ichika can't always communicate well.
- Hinomori Shiho: Childhood friends, but their relationship became strained. Shiho currently doesn't want to talk to Ichika.
- Kiritani Haruka: Acquaintance and fellow classmate.
- Tenma Tsukasa: Acquaintances. They know each other because he is Saki's older brother. Ichika seems to think he is loud.
- Asahina Mafuyu: Acquaintances and fellow class representatives. They seem to know each other a little.
- Yoisaki Kanade: Acquaintances. They met each other in 'Intersecting Melodies, Glowing Warmth,' when both were reaching out for the last CD album in stock of a Miku song. Ichika and Kanade admire each others' hair, but don't tell the other.
- Ichika is one of the five group leaders in the game.
- Ichika is commonly used as the face for the game.
- Ichika was involved in an advertising campaign for Pocari Sweat, a sports drink brand, and appears in the web movies "Nechusho No!No!" and "Tokyo Supply Girl".
- She is a big fan of yakisoba buns, and many interactions with other characters have them surprised of her love of them.