Reika Fujisaki is the jaw-droppingly gorgeous chief of the product development division of a confectionery company... and now she's in her first relationship ever with her handsome and talented subordinate, Tsukasa Hasegawa. After working their way out of the bind they found themselves in when Oota-kun, a worker in their same division, found out about their top-secret office romance, the two find themselves bringing in the new year at a traditional Japanese hot spring inn! But Reika can't help feeling nervous about their first trip together... especially since every time they talk about their pasts, Reika finds herself on pins and needles for some reason!