The 32-year-old screenwriter Yazaki Liying (played by Kimura Fumino) became a well-known screenwriter who was popular in and outside the industry with her own TV series "Tokyo Doll House". However, she has never written a commendable work since then. Liying never forgot the glory of the past and worked hard to hone her skills. In order to prepare for the new work, Liying held a lecture on love and conducted love consultation for different women. In the show, she met four women with strange common points, namely Shimahara Tomomi (played by Sasaki Nozomi), Nose Shuko (played by Shida Mirai), Aida Satoko (played by Ikeda Elaisa) and Jimbo Miki (played by Kaho). Four girls with completely different personalities and professions have boyfriends with the same surname "Ito", and these "Itos" have surprising common points... This film is adapted from the novel of the same name by Yuzuki Mako.