When Ai first enters university as a freshman, she's met with instant popularity for her looks
A year passes of her spending time studying and smoking, in which she then meets a girl name Chi
They become buddies and go through university life together with a shared hobby for smoking
Ai-chan, a pretty student in her first year in a university, meets Tomo after she asks for a cigarette light from Ai. An apathetic, budding friendship ensues as they try and survive everyday university life together with the help of their daily does of caffeine and nicotine.