Ryosuke runs a used car dealership in the sticks, some way outside Tokyo. He inherited the business, and doesn’t enjoy running it. When a girl is dumped by the driver of a car on the road outside his forecourt, his life starts to turn upside-down.

Lifeline

Daichi is a young dental technician. He is called a prince due to his excellent skills at work and his handsome appearance. One day, he meets again his childhood friend Manatsu, who has just began work as a dental hygienist at a clinic in the suburb. Meanwhile, Daichi receives recognition for his work by dental clinic director and dentist, but his father, who runs a dental technician's office, thinks Daichi's skills are not good enough. Daichi then receives a complaint from a patient. Manatsu tries to comfort him, but they end up having an argument.