The hostess that the Ai acts in 27-year-old Roppongi. The age that I work as a hostess all the time, and wants to think about one's seriousness Love soon...Kaori is 23-year-old new face Office Lady. Still feel nostalgic for the happy time of the university, and send desolate Mainichi now. Kayoko is a 24-year-old kindergarten teacher. She who is resident in Nagoya always smolders while longing for the city because I am timid…. "A certain Ai life" that three people idealize...?