Synopsis: Nanba Yurika is 27-years-old and single. She has an attractive appearance and she is not bad in communicating with others, but she is not good when it comes to having romantic relationships. This is primarily due to her inability to get over her ex-boyfriend Saito Makoto. They broke up 5 years ago. After their breakup, Saito Makoto disappeared from her life. Now, Nanba Yurika meets Saito Makoto again at the real estate company where she begins to work. Her ex-boyfriend, who is still now 30-years-old and is still single, is her co-worker.