Sekai Ichi Muzukashii Koi 世界一難しい恋
is a 2016 Japanese television drama series broadcast by Nippon TV. It received a viewership rating of 12.9% on average.
34-year old Reiji Samejima is the successor of a traditional Japanese inn and a company president who has expanded the business into the hotel industry. Despite his good appearance and wealth, women eventually leave him because of his arrogant and childish personality. He is generous with himself, but strict with others. For the first time, Reiji falls in love with someone. Her name is Misaki Shibayama, an outspoken employee at Samejima Hotels who is not afraid to say what's on her mind. He begins to change as he pursues her with numerous romantic tactics over the course of the story with the help of his secretary Maiko Muraoki and chauffeur Katsunori Ishigami, hoping to eventually gain her love.