In which episode of Detective Conan did Koizumi Akako appear?

Koizumi Akako's first appearance in Detective Conan is: The sixth sentence of the first volume of the Magic Fight "The temptation of blushing" (the temptation of blushing)

The first appearance in Detective Conan is

Special article

2 19 episode "Detective! Kudou Shinichi VS Blackfield Haidong "2-hour Special Match"

Corresponding comics: VOL30F4-F8

Broadcast time: 200 1 0 1 08.

Introduction to Koizumi Akako:

The protagonist in the Japanese anime "Magic Fight" and the guest role in Detective Conan. A witch with mysterious temperament, an orthodox descendant of Red Magic, a transfer student in Grade Two of Jianggutian High School, and a classmate of Jet Fight, Nakamori Aoko and others. Through divination, I learned that the fast fight is the black market. I was against him at first, but I grew to like him and helped him at a critical moment.