第 4 集: 純拯救了被烏鴉追趕的無助飛鼠，並為其取名東古里

4

On his way home from school, Jun rescues a flying squirrel fleeing from a flock of crows. Kept as a pet since it was a baby, the flying squirrel can't fly nor can it even find food for itself. Jun feels sorry and decides to keep it, naming it 'Donguri' (=Acorn). (Source: Official website)