The sweet bond of girls connected by black tea, would you like to taste it? Part-time high school girl, Kotori Sarasa. The young owner of a tea shop, Inukai Seriho. The two of them run a tea shop leisurely and comfortably. A place where you can feel a gentle, sweet atmosphere. A shop where the feelings they secretly hold for each other seem to melt transparently like tea. If you'd like, why not come and visit? Look, the story of the Amber Tea House is about to begin.