In an era of peace, a knight named Lire, who once made countless contributions on the frontlines, now serves quietly in the rear. However, the quiet days don’t last long as an enigmatic junior knight, Kato, visits and expresses affection daily. Having never experienced such courtship in her life, Lire is always flustered, but Kato does not care and keeps pushing forward. The conclusion may already be determined, but what events will unfold in the process for these two?