This one works on you quietly, the way a single-episode OVA from 1992 can when nobody is trying to sell you a franchise. Kanta finds an orphaned fawn, names him Poyu, and the whole thing hinges on one detail you cannot stop looking at: that golden tail, which is exactly the thing that makes hunters want him. There is no spectacle here, no power-ups, just a boy deciding he is going to stand between a deer herd and the people with rifles. It comes from a Daisaku Ikeda children's novel, and it carries that weight honestly, an actual history of sika deer being hunted out told at a child's eye level instead of a lecture's. Slept on doesn't cover it, almost nobody has seen it. Watch it for the moment a kid realizes protecting something is a choice you have to keep making.
Kanta finds himself raising an orphaned sika deer he names Poyu, forming an unlikely bond that fills the emptiness in both their lives. What makes Poyu different from other deer is striking: a shimmering golden tail that catches light and attention alike. When word spreads of this rare animal, hunters begin closing in, forcing Kanta to confront a harsh reality about human greed and nature's vulnerability. He becomes determined to shield Poyu and the other deer from those who would exploit them for profit or sport. The story weaves together a child's pure desire to protect what he loves with a darker history of how humans have hunted sika deer to near extinction. Kanta's journey transforms from simple pet ownership into something weightier: a stand against indifference and destruction. The tone balances genuine warmth between boy and animal with growing tragedy as external forces threaten everything. This is fundamentally about what we sacrifice when we refuse to value life beyond our own needs, told through a relationship that asks whether one child's love can matter against the world's carelessness.