Relationships[edit source]
- Tenma Saki: One of Ichika's childhood friends, fellow bandmate and classmate in Ichika's first year. Ichika was always there for Saki even when she was hospitalised for long periods of time. The two reformed their band with Honami and Shiho together, after Saki's return. Ichika is glad to see Saki always having fun.
- Mochizuki Honami: One of Ichika's childhood friends, fellow bandmate and classmate in Ichika's second year. Their relationship became strained before Saki's return in the main story, with Honami avoiding Ichika. Their relationship has greatly improved since then and Ichika relies and trusts Honami, whilst Honami feels Ichika has helped her out immensely.
- Hinomori Shiho: One of Ichika's childhood friends and fellow bandmate. Their relationship became strained before Saki's return in the main story, with Shiho purposefully keeping Ichika at a distance. Their relationship has greatly improved since then and Ichika appreciates Shiho's support and guidance, whilst Shiho is grateful for Ichika and admires her Improvement.
- Hanasato Minori: Friends, the two sometimes talk about Miku together - being fans of the VIRTUAL SINGER.
- Kiritani Haruka: Friends and classmates during Ichika's first year.
- Hinomori Shizuku: The older sister of Ichika's bandmate Shiho and someone Ichika knew during her childhood.
- Azusawa Kohane: Friends and classmates during Ichika's second year.
- Tenma Tsukasa: The older brother of Ichika's bandmate Saki and someone Ichika knew during her childhood. She finds him loud but seems to appreciate how much he cares for Saki.
- Kusanagi Nene: Friends - Ichika admires Nene's singing voice and strives to sing like her. Nene gives Ichika vocal lessons, due to Ichika asking her to.
- Yoisaki Kanade: Friends who initially met each other when reaching out for the same Miku CD in a music store, Ichika later lends said CD to Kanade through Mafuyu. Kanade helps Ichika with music composition.
- Asahina Mafuyu: Ichika's upperclassman who she greatly admires - the two were fellow class representatives during Ichika's first year. Ichika lends a Miku CD to Kanade through Mafuyu.
- Shinonome Ena: Friends who met whilst Ichika was singing outside the station at Scramble Crossing. Ichika likes the illustrations Ena makes for her groups music videos.