At a party, Baba, a college student addicted to smoking, approaches Aoyama, a naive underclassman. Though their relationship crumbles, they reunite five years later as teachers at the same school. Baba longs to reignite their romance, but Aoyama...
A side story, "That's Why You Have to Say You Love Me," depicts Kei, a high school student who falls in love with Satoshi after a one night stand, but the businessman attempts to flee.