Second Virgin (2010)

45-year-old Rui Nakamura (Kyoka Suzuki) is a highly successful publisher. During the course of work, she encounters a 28-year-old married man named Kou Suzuki (Hiroki Hasegawa) who aggressively pursues her

Similar Concepts:
1)Younger Man and Beautiful Female (If you can understand), 2)Romance and love
3)Lead Female developed tough prickly outer shell in order to succeed in the workplace

Different Concepts
Second Virgin
1)Dark Romance
2)Resonant Storyline

45-year-old Rui Nakamura (Kyoka Suzuki) is a highly successful publisher. During the course of work, she encounters a 28-year-old married man named Kou Suzuki (Hiroki Hasegawa) who aggressively pursues her. Unexpectedly, Rui Nakamura starts to fall in love with the younger married man

It is similar to the series. The series is about how the characters loved each other in the past, but in the future, in the movie, it shows us how their love is characterized in many ways, other than the series.