Chronin is an SF graphic novel duology, published in two volumes in 2019 and eligible as a single complete work.
2042, New York City: A day in the life of college student Mirai Yoshida means studying Japanese history, learning swordmanship, flirting with her TA, and preparing to travel back in time to the Japan of 1864. But everything changes when Mirai and her classmates are ambushed by rebel samurai. Her friends are killed, her time travel machine is lost, and Mirai ends up marooned in the past. In order to survive, she disguises herself as a wandering samurai and is hired by Hatsu, a tea shop waitress, as bodyguard for her travels. Mirai has to find her way back to the future soon, or else she may end up a casualty on the bloody front lines of a conflict that’s destined to shape a nation.