Erika Sawajiri is a Japanese actress, model, and musician. Her alias in her music career was Kaoru Amane, but she has recently started her own project under the name Erika. She is currently affiliated with Sony for her record label as formerly Kaoru Amane and later Erika, and Stardust Promotion for her talent agency as her real name, Erika Sawajiri, and became popular after playing a girl who suffered from an intractable disease called spinocerebellar degeneration (SCD) in the nonfiction drama "1 Litre of Tears".