This girl, named Akira, turned out to be one of his classmates. Their encounter was brief, but Taro couldn't help but notice Akira's bold and confident demeanor.
"Boku ni Sefure ga Dekita Riyuu" which translates to "The Reason Why I Got a Girlfriend" is a popular manga series. When adding the number "3" to the end, it likely refers to the third part, installment, or season of this series. boku ni sefure ga dekita riyuu 3