Aida Kiyoka is hard at work cleaning when an unexpected incident sends her tumbling into an alternate dimension. Luckily, a generous stranger offers her refuge, and Kiyoka begins a new life in this strange and unfamiliar world. However, there's one major issue: bathtubs are a rarity in this dimension, and as someone with a fervent love for hygiene and bathing, Kiyoka finds this difficult to endure. Nonetheless, when she discovers that the King is searching for a new side consort, Kiyoka sees a glimmer of possibilities and applies in hopes of being able to indulge in her cherished pastime. This is a truly unique fantasy tale about the journey of a clandestine neat freak to her ultimate sanctuary: a bathtub.