Yukibana no Tora (雪花の虎, lit. "Snowflake Tiger") is a Japanese manga series written and illustrated by Akiko Higashimura. It is the story of Uesugi Kenshin, and tackles a theory that the historical figure was a woman. It was serialized in Shogakukan's seinen manga magazine Hibana from March 2015 to August 2017, when the manga ceased its publication, and it was then serialized in Weekly Big Comic Spirits from January 2018 to October 2020. Its chapters were collected in ten tankōbon volumes. Source: Wikipedia (en)