ISEKAI SAMURAI GN VOL 01

As the final years of the Sengoku period dwindle away, Ginko, the strongest swordsman of the era, has yet to find a worthy opponent to slake her thirst for a fight to the death. Just when she's finally lost hope that anyone stronger than her exists, she gets transported to another world! And the first thing Ginko sees there is-a dragon?!