Hanazawa (I am a Hero) launched the manga in Kodansha’s Young Magazine in July 2018.
Hanazawa launched the I am a Hero manga in Shogakukan’s Big Comic Spirits magazine in 2009, and ended the series in 2017 with 22 volumes.
NHK World TV’s imagine-nation, an English-language program shown on the international broadcast service, revealed on Tuesday that Kengo Hanazawa’s Under Ninja manga will begin publication in the U.S., Italy, China, and other countries in April.
The manga takes place in a modern world where roughly 200,000 ninja live in secrecy and blend into daily life as normal people.