The Aloof Imperial Preceptor Is Actually a Little Sweetheart

Goofy heroine × clueless hero What do you do when you become the younger sister of a Mary Sue heroine? Passerby A: “Have you noticed? Everyone falls for your sister. Don't you think that's weird?” Lou Qingqing: “National Preceptor, did you transmigrate here too?” National Preceptor: “Yeah. It's ridiculous!”