When she was in junior high school, Shirayuki Yume was obsessed with her imaginary boyfriends, her "dream boyfriends," which she wrote about in a notebook. Now in her thirties, Yume is living an ordinary office-worker life, but her long-forgotten ex-boyfriends suddenly appear before her eyes... 中学生時代、ノートに書き出した空想の彼氏である“夢彼氏”との恋に夢中になっていた白雪友芽。 アラサーになり平凡な会社員として過ごしていた友芽だったが、封印されし妄想の元彼たちが目の前に現れ……。