Ashiya has spent the first seven days of high school stuck in the infirmary because of a youkai attaching itself to him. He ends up asking the owner of a small tea room called the “Mononokean” for help. This is a tale involving the very morose owner of Mononokean guiding the youkai that happened to wander into this world go to the next world.
平凡的高中生蘆屋花繪，妖怪附身後，在保健室裡遇見了兩坪大的茶室「妖怪庵」之主——安倍晴齋，並且經由驅妖的契機，成為了奉公人的蘆屋，開始了協助驅妖並且償還債務的生活。