While working as a taxi driver on the hectic streets of Tokyo, a reticent walrus gets pulled into a mystery involving a missing teenage girl.
Utsumi and Seto's daily routine is to spend their afterschool hours just jabbering with one another along a riverbed. Getting excited over trivial word play, agonizing over the content of an email to be sent to a girl, and, at times, talking about a serious problem, the two endlessly engage in meaningless idle talk as if it were meaningful.
Reconstruction of the television anime that will also depict what happens after its finale with a new story written by Kazuya Konomoto.
