Canary is very loyal to the Zoldyck Family. She is initially introduced as a ruthless guardian who does not hesitate to attack trespassers, but she is not as heartless as she pretends to be, and just for a fraction of a second, her eyes convey gentleness or concern, although she tries to suppress it. She was deeply moved by his attempts to reach Killua, due to her feeling affection for her young master. Killua was kind to her and wanted them to be friends. She really likes master Killua.