Basilisk: The Ouka Ninja Scrolls is a Japanese novel written by Masaki Yamada, with illustrations by Masaki Segawa. It is a sequel to Segawa's manga series Basilisk, itself adapted from Futaro Yamada's novel The Kouga Ninja Scrolls. It was published by Kodansha in two volumes in November and December 2015. A manga adaptation by Tatsuya Shihira was serialized in Kodansha's seinen manga magazine Weekly Young Magazine from July 2017 to April 2019, with its chapters collected in seven tankōbon volumes. A 24-episode anime television series adaptation by Seven Arcs Pictures was broadcast from January to June 2018.