Kumari 21F is a 2015 Indian Telugu-language drama film directed by Palnati Surya Pratap, and written and co-produced by Sukumar with Vijay Bandreddi and Thomas Reddy under their banners Sukumar Writings and P. A. Motion Pictures. Devi Sri Prasad composed the film's music and R. Rathnavelu was its director of photography. Kumari 21F focuses on a romantic relationship between Siddhu, a chef and Kumari, a struggling model. Siddhu's friends doubt Kumari's character and she rejects his proposal, citing a lack of maturity. The film's centrepiece revolves around Siddhu's realisation and his attempts to unite with Kumari after an incident.