Bakudan! – Bakumatsu Danshi

after being bullied at his old school, makoto wants to be the main character of his own story. when he finds a bill with his face on it on a school trip to kyoto, he takes it as a sign, which leads him to fall into a river. once he comes to, he realizes that he has been transported back to the period of time in japan known as the bakumatsu!