Tsukushi, an ordinary high school girl, and Hinaka, a cool and beautiful girl with a hint of vulnerability, are childhood friends. They have always been together, and Tsukushi thought their days would continue like this forever... until she had a dream where she confessed to Hinaka and got rejected. This "sunny girl" x "cool girl" story, which became a hot topic on Twitter due to its sheer adorableness, begins with a dream and unfolds into a dreamy girls' love tale in its first volume!