Eri  

the Cow, エリ

A Holstein cow named Eri resides on a mountain ranch that's surrounded by a fence. On one particular day, Jersey cows are brought into the enclosure from outside. Among these newcomers is Sou, who immediately captures Eri's heart at first sight. In order to deepen her affection for Sou, Eri undergoes various trials.

Based on Kasumi Asakura's novel Hoka ni Dare ga Iru.