Tenkaichi: Nihon Saikyō Bugeisha Ketteisen

Tenkaichi: Nihon Saikyō Bugeisha Ketteisen (テンカイチ 日本最強武芸者決定戦) is a Japanese manga series written by Yōsuke Nakamaru and illustrated by Kyōtarō Azuma. It began serialization on Kodansha's Young Magazine the 3rd manga magazine in January 2021. After the disbandment of the former manga magazine, it was later transferred to Monthly Young Magazine in May the same year.

Publication
Written by Yōsuke Nakamaru and illustrated by Kyōtarō Azuma, Tenkaichi: Nihon Saikyō Bugeisha Ketteisen was initially serialized in Kodansha's Young Magazine the 3rd from January 6 to April 6, 2021, when the magazine released its final issue. It was later transferred to Monthly Young Magazine beginning on May 20 that same year. Its chapters have been collected into nine tankōbon volumes as of May 2024.