Saryu, known as the Winter Bear of Tidros for his formidable presence that scatters enemies, suddenly finds himself in an engagement with Lady Shitoen, a noblewoman from a neighboring kingdom whose previous engagement was called off! Starting with a forehead kiss, he's nervous around a woman he's not used to. Her smile makes his heart race, and a glimpse of her chest leaves him flustered. As improper fantasies run wild in his mind, Saryu's rationality is on the verge of collapse?!