"If you were in such an era and world, you wouldn't be able to see the passage of time." Wu Guang, a girl who could not find a sense of belonging in the real world and placed her heart in the fantasy world, encountered a reversal of time and space during a trip with her friend Ye Liu, and came to Kyoto, Japan in 1863! ! By mistake, they entered the famous historical organization - Shinsengumi as men. What will greet them? What is the reason for the reversal of time and space? What will they gain and lose from the person they are destined to meet? ... Definitely worth a look! !