My Samurai Boyfriend Is From a Game!?

Shino travels between reality and the end of the Edo period through a simulation game. There she meets Heisuke, a Shinsengumi samurai, with whom she ends up falling in love. Within the game, he interacts with other characters and decides to face his destiny, the mysteries of history and his love. What future will Shino choose, trapped between truths and lies, love and duty?