This drama is adapted from the manga of the same name. A 30-year-old lawyer, Yoshihori (played by Takada Riho), is a passionate woman who chooses free love instead of dating a specific man. "I just want to eat the deliciousness of love... but not cheating!" is her motto. As such, she once had an affair with a high school teacher, Sunagotani (played by Watanabe Hide), without knowing that she was dating a married man who was negotiating a divorce. This was the first time she fell in love at the age of 30. However, the cheating was discovered by the school, and Sunagotani was transferred to a school on an outlying island. Yoshihori was accused of adultery by his wife... At this time, Yoshihori found out that she was pregnant! Yoshihori, who was distressed about whether to tell him this fact, crossed the sea to the island and came to Sunagotani's room, but found that what was waiting for her was shocking...! In the end, can Yoshihori graduate from the useless love and find true love? ?