Kanaho, who has earned the trust of those around her and completed numerous tasks, was assigned to be the mentor for Emma, a new graduate hire starting this spring. However, while Emma is capable at work, she is arrogant and does things at her own pace, causing Kanaho trouble as a mentor. At such a time, it was rare for usually competent Emma to be working overtime, so Kanaho reluctantly stayed late with her. Then, when the last train had already left, Kanaho ended up staying in the same hotel room with Emma until morning, following Emma's suggestion...
