New editor Yoichirou Hitsujitani spends his days being avoided by the authors he is in charge of, who claim he "makes them sleepy during meetings" due to his overly gentle personality. He wants to help the authors so badly, but...! The job entrusted to the struggling Hitsujitani is to deliver documents to popular author Sumika Tsukishiro. Known for her notoriously devilish and strict personality, Tsukishiro was, on that day, behaving just like a child due to a lack of sleep. To get her to write her novel, Hitsujitani makes the resolution to "tuck her in and put her to sleep"!