In the underground, labyrinthine world of the infamous Japanese commuter trains, two kinds of passengers exist: winners who find seats and losers who are left standing. With this in mind, mysterious Ryusei-Kacho, a taciturn salaryman with a unique set of skills harbouring an unexpected secret, is the undisputed king. So far, he has never failed to secure a seat; however, beautiful, cunning, and athletic "Automatic" Maria is bent on getting things done in her own new way. Now, the stage is set for the ultimate confrontation. Who will win?