Chiaki Yoshino, a highly successful young female manga artist who had just finished a big project, made plans to go out with her childhood friend and editor, who also happened to be her boyfriend, Yoshinori Hatori. However, on the day of their outing, Hatori had to cancel due to a sudden work emergency. Yoshino reluctantly decided to go out alone, but while wandering around the city, she coincidentally saw Hatori with another woman...!?
仕事が一段落した超売れっ子少女漫画家の吉野千秋は、幼なじみ兼担当編集者、そして恋人でもある羽鳥芳雪と久しぶりに出掛ける約束をする。ところが当日、急な仕事が入ってしまった羽鳥から約束をキャンセルされてしまった吉野。仕方なく一人で出かけるが、偶然街で見かけた羽鳥が女性と一緒にいて……!?
