A love story between Risa Shiroki and Hiroto Fukami. Twenty year old Risa Shiroki comes to Tokyo from her hometown in the countryside to attend university. Pretty and popular with male students, she has never had a boyfriend and dreams of having a sweet love. One day, thirty year old Hiroto Fukami appears in front of her. He is business man who appears to be gentle and looks perfect. As romance blossoms between them, Risa discovers Hiroto's dark past.

Higashiyama Yui works as a director at Net Heroes, a web production company. Due to her workaholic father and bad experiences in the past, she loathes working overtime. Even 2 years ago, she broke off her engagement to Taneda Kotaro because he was a workaholic.

At her job, Higashiyama Yui always leaves at the end of the regular working day and never works overtime. She tries to be as efficient as possible and productive during her normal working hours. After she leaves her office, Higashiyama Yui normally drinks beer at her regular Chinese restaurant. Her peaceful days begin to change after a new department head arrives at work.

Kaori (Reina Triendl) works as an interior designer for a housing manufacturer. She has been in a secret relationship with her boss Fuyuki (Hidekazu Mashima) for years. Fuyuki is a married man and Kaori can't see a future with him, but she still loves him and continues their relationship. One day, Haruto (Dori Sakurada) appears in front of her. Haruto is a young interior designer who was just transferred from a New York office. Haruto happens to see Kaori and Fuyuki having an affair. Meanwhile, Kaori and Haruto begin to work together as partners at work. Through meeting Haruto, Kaori's fate begins to change.