Kuroe is a Magical Girl who lives in Takarazaki City. Kuroe fights alongside Iroha from time to time, but mostly they're acquaintances who get together on a regular basis to exchange information.

Spoiler

Later, they develop a close friendship similar to the friendship between Iroha and Yachiyo.

Kuroe is afraid of fighting in life or death battles and wishes she could be saved from being a Magical Girl.

Spoiler

She eventually begins to obsess over Kamihama City after hearing a certain rumor. Later, she reveals the desire to be as strong as Iroha and Yachiyo.