Traveling Through Time and Meeting a Male Best Friend, the Tsundere Prince Becomes His Crush

[Time travel + light joy + medical concubine + face-slapping and refreshing article] Hua Qin accidentally suffered an explosion and once traveled through time, she became an abandoned concubine. Don't panic, I'm here to hide my identity, she's actually a princess from a neighboring country; Also, space and medical skills also come to bless you; Let's have another strongest support, my best friend is here. Scheming green tea, invaders from other countries, and the sinister prince, See how I make a comeback...