Asuka, who is in Alaska without a boyfriend, meets her classmate Kyogoku, who used to be called 'Dr.', again at a reunion. Apparently, he has become an associate professor and is still a 'doctor'. Asuka gets into a good mood with him, and he invites her to "smell your scent", and they go straight to a love hotel... However, Dr. Asuka really only 'sniffs'! Research and love go on at the same time in this pure love story from the age of 30.