The Legend of the Red String

Komaki Katayama, an office worker who wants to work on an overseas project, is assigned to Singapore for two years and ends up living apart from her boyfriend, unknown actor Ryoichiro Saito. --And two years later. Komaki returns to the head office as the deputy manager of the public relations planning department, and learns that Ryoichiro is known as the Prince of the AV world and is popular as an AV actor who is the number one man to be admired!?