Mr.Strange (2019)

Little Carrie is a shy and introverted girl whose only friend and mentor is an invented character called Mr. Stranger in her everyday dreams. To help Carrie overcome her social phobia, they step on a meaningful and fantasy journey about love and friendship. At the end of the journey, Carrie is encouraged to walk out of the bubble and make new friends in the real world. However, the price of growing for everyone is saying goodbye to our Mr. Stranger who is left in the forgotten and beautiful dream forever.