Nichiren Buddhism (Japanese: 日蓮仏教, romanized: Nichiren bukkyō), also known as Hokkeshū (Japanese: 法華宗, meaning Lotus Sect), is a branch of Mahayana Buddhism based on the teachings of the 13th-century Japanese Buddhist priest Nichiren (1222–1282) and is one of the Kamakura period schools. Its teachings derive from some 300–400 extant letters and treatises either authored by or attributed to Nichiren.
Nichiren Buddhism generally sources its basic doctrine from the Lotus Sutra claiming that all sentient beings possess an internal Buddha-nature capable of attaining Buddhahood in the current life. There are three essential aspects to Nichiren Buddhism: