A young woman with strong desires to get married finally ties the knot after one year of dating. However, she feels dissatisfied with her husband's sex life—though kind, she also reveals a somewhat selfish side. Meanwhile, Sawaki Rena has been exchanging emails for six months with someone she met on a dating site. What began as mere pastime gradually leads her to discover that the man is married. Burdened by her husband's frequent overseas business trips that leave them rarely meeting, and regretting her early marriage, Sara agrees to meet him in person, seeking relief from her complicated emotions.