Time Travel: Guardian Chen Meng

I, in the 21st century, was a real martial artist. Once, because of my sister, I was forced to send her to visit the guardian sweetheart, but I accidentally saw a girl named Hinaisen. I fell in love with her at that time, or more precisely, her character. I once had the idea of ​​​​traveling to the guardian sweetheart to protect Hinaisen. I laughed at how I could think about time travel like a girl, until a car accident made me time travel...