Takashi's childhood friend. A Tom boy, cheerful girl. Hiromi joined adventure out of curiosity. She is full of curiosity so that Takashi is called "churlishness". She worries about Takashi acting rashly as well.

Takashi loves reading books and especially loves "Alice's Adventures in Wonderland". One day, he buys some used books, and he finds one book thrown in. When Takashi opens the book, "the God of Math" M-1 appeared. Takashi is told that Alice is kidnapped, and he's asked to rescue her by M-1. And Takashi goes on an adventure in Wonderland to rescue Alice.
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(Source: Anime News Network)

Ayako Shiraishi is a seiyū who was born on April 13, 1963. She retired in 2002.  

Hiromi Sugita