Diego and Luna play in the park, laughing and chasing each other. The sun is shining and the flowers are colorful.
Suddenly, Luna starts to feel sick and stops running. Diego hurries to pick her up and rushes to the vet.
At the vet, the doctor tells Diego the sad news. Luna is very sick and cannot be cured. Diego feels sad and scared.
Diego decides to make Luna's days special. They have picnics, play games, and cuddle each night. Luna looks happy.
As time goes by, Luna becomes weaker. Diego holds her tight, telling her how much he loves her. Luna licks his hand.
One night, Luna falls asleep for the last time in Diego's arms. They had so many happy moments together.
Even though Luna is gone, Diego will always remember their adventures and the love they shared.