This page is for the 2016 2-in-1 omnibus volume reprint. For the original volume 2, see The Case of Chiaki Yoshino 2.

The World's Greatest First Love: The Case of Chiaki Yoshino (世界一初恋 〜吉野千秋の場合〜, Sekai-ichi Hatsukoi: Yoshino Chiaki no Baai) is an omnibus light novel volume in the Sekai-ichi Hatsukoi series written by Fujisaki Miyako and Shungiku Nakamura. It reprints the contents from The Case of Chiaki Yoshino volume 3 and volume 4.

The story follows Chiaki Yoshino and his developing relationship with Yoshiyuki Hatori and the love triangle formed with Chiaki's close friend Yuu Yanase.

The light novel has not been officially translated into English.

Contents Edit

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Plot Edit

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Sekai-ichi Hatsukoi light novels


The Case of Chiaki Yoshino

Volume 1Volume 2Volume 3Volume 4 • Omnibus volume 1Omnibus volume 2

The Case of Yoshiyuki Hatori

Volume 1Volume 2


The Case of Takafumi Yokozawa

Volume 1Volume 2Volume 3Volume 4Volume 5Volume 6Omnibus volume 1Omnibus volume 3Omnibus volume 3

The Case of Animate

Volume 1