On a perilous adventure across a post-apocalyptic world, a lovable boy who's half-human and half-deer searches for a new beginning with a gruff protector.

Koshi Torako has everyone fooled. Her classmates see her as the perfect honor student, unaware of her secret delinquent past. But her new picturesque school life is thrown into chaos when she bumps into Shikanoko Noko, a girl with antlers! Mayhem seems to follow this strange doe-eyed girl. Who, or what, is she?

Forced out of his research group after conflicts with his colleagues, Ogawa Takanobu takes up an offer to teach at a girls' high school in Nara. When taking roll call on the first day one of his students, Hotta Ito, sneaks into class late, claiming a bogus excuse--that she got a ticket after trying to park her deer in front of the train station.