Wataru Watari is a Japanese author and screenwriter, best known for his light novel series Yahari Ore no Seishun Love Comedy wa Machigatteiru, commonly referred to as Oregairu. The series, which began serialization in 2011, explores themes of adolescence, social relationships, and personal growth through the experiences of its main character, Hachiman Hikigaya. In addition to Oregairu, Watari has worked on various other projects, including manga adaptations and anime screenplays. His writing is characterized by its introspective style and relatable characters, making him a prominent figure in contemporary Japanese literature and pop culture.