Koukoku no Hiiro  

Scarlet Empire, The Crimson of the Japanese Empire, 皇国の緋色

Sekihoutai's leader, Souzou Sagara, is a high school student who aims to be the best in Kendo with his younger brother. He wants to change the world for the better and protect people. The red string of fate guides him on this journey as he transcends through time. Along the way, they discover revelations from the Bakumatsu era and youth.

Koukou no Hiiro was published digitally in English as Scarlet Empire by Yen Press from November 24, 2015 to March 29, 2016.