When a shy teen is pulled into the inner circle of the school’s hottest boys, the leader's obsessive crush turns a dream trip into dangerous romance.

A man ten years younger, and a man of the same age appeared in front of our heroines, who had taken a break from love. A coworker, a husband, a colleague, a one night stand... etc. Because of the differences in position and age, they can't say what they want to say, but instead say what they can, can't be honest, and depend on them... But all of them are worrisome because it's hard to understand their feelings? You don't have to be with your soulmate... Is one of them the ideal man who will fill in the feeling that something's missing?

Ayane Sukehira (Kang Ji-Young) is an overweight woman who loves chocolate. Because of her love for chocolate, she has moved to Italy which is famous for its chocolates. There, Ayane Sukehira gets involved in an accident and she passes out. When Ayane Sukehira wakes up, she finds that her appearance has totally changed. She is now a beautiful woman. Ayane Sukehira travels back to Japan and she begins work as an esthetician. She still is not interested in dating and she buries herself in eating chocolate and playing games. One day, popular idol Takumi Minato invites her for dinner

The Japanese government carries out a program to increase the birth rate in the country. Their program analyzes gene information from its residents and selects a marriage partner for them. Aoi Nisaka is a high school student. She is in a love triangle with childhood friend Yuto Shiba and Sosuke Takachiho. Sosuke Takachiho is appointed by the government to become her husband.