Taika Waititi's adaptation of Klara and the Sun has received mixed reviews from critics. The film has been labeled a sentimental mess. Jenna Ortega's performance has been described as incredibly disappointing. One-star reviews after its London premiere. The adaptation of Kazuo Ishiguro's novel has been found to be overly sentimental and sugary. It includes an old-fashioned robot designed to combat loneliness.