29-year-old Mika Tsutsumi met Shiho Mikashima, a handsome and elite man, at a matchmaking. Even though she thought that she would not be able to get married to him, she received his proposal and got married! The newlywed life that began unexpectedly is happiness itself. However, Mika doesn't understand why he takes such good care of her, and becomes anxious over time. A love story of destiny where deep love is born from an arranged marriage.