"I haven't been able to convey the tantalizing feeling that you gave me, this time I'll definitely ―" Nagi, a high school girl who likes beautiful voices, and Michiru, her classmate with the ideal clear and beautiful voice. When nobody was watching, their story started with letters exchanged during class.

The author's long-awaited first short stories collection dedicated to nine pairs of girls, including the title "Resonant Blue" - a lively and youthful relationship between two clumsy and straight-forward high school girls.

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Contains:

Resonant Blue

Unravelling Your Magic in 30cm

Cigarette Kiss

Refrain Kiss

Heart On Sleeve

The Theory of Fate with You

The story of a strange painter, Asuka, who concentrates so much on one thing that she is not be able to see her surroundings and will even forget to eat, and her childhood friend, Tsunako, who continues to support Asuka while scolding her.

The Echo of Us (Pt. 1)

The Echo of Us (Pt. 2)

A Flash of Summer