Riku and Yuna are living together, but recently their schedules haven't matched, and they've been passing each other by. However, their days off suddenly coincided, and they planned a long-awaited trip. But the plan was unfortunately canceled due to a heavy rain that made it difficult to even leave the house... Even so, because it's a precious day where they can spend the whole day together, the two of them embrace each other, touch each other's bodies without worrying about the time, and check each other's body temperature...