Ayano Sonosaki is a character who works at a florist shop, specifically the establishment named Ciel blue de fleur, located near the Tsabuki manor. Her long-held dream has been to open her own flower shop one day. Ayano is an adult woman with blonde hair that reaches her chest and yellow eyes, and she is often seen wearing an apron with her hair in a bun.

In her role within the story, she is an acquaintance of Haruma, who has developed a crush on her but has not been able to act on his feelings. For her part, Ayano appears to be unaware of his romantic interest, viewing him simply as a good acquaintance or friend. Her personal history includes a past engagement to a man named Kazuya, which caused her considerable sorrow when he broke it off.