Sex Transformation Dragon Clan: What Do You Mean My Sister Is Chu Zihan?

[Chu Zihang's sex change + Lu Mingfei's sex change + Shan Bai + Alchemy and Dragon Slaying] "Sisters and classmates are the most beautiful things in the world." So said Su Qing, the legendary brainiac in Kassel, the extremely reliable alchemist, the humanoid Doraemon, the only normal person in the equipment department, the good sister of the super A-level witch in the execution department, and the beautiful S-level school girl Lu Mingfei in high school. "I said that all my success comes from myself, including my learning and discovery of dragon language, my bloodline upgrade and evolution, my beer belly relief and digestion. This is all true." Su Qing was serious, and the employees in the audience nodded repeatedly. So that's it, the boss is really working hard, it's exactly what they thought... Wait, is there something weird mixed in? "Boss, there seems to be a high-level hybrid species in the northeast of Yamei Road that is releasing high-risk word spirits with a wide range!" Su Qing's eyes were sharp, "Do you know the serial number?" "It seems... More than ninety!" His subordinates were trembling with fear. Su Qing raised the knife, her long black hair hanging down like a waterfall. "Warriors, charge with me and arrest the thieves!" Su Qing called the system in her heart. Has the analysis cooled down? [Analysis cooling time has been refreshed] "Yes!" "Charge!" Su Qing shook his sword and shouted. … This is the story of a mixed-blood species with ordinary blood accidentally acquiring a dragon language analysis system, relying on alchemy and liver-explosion to survive in the monster academy, and was forced to embark on the great career of slaying dragons. (The pace is slow, and it contains an original plot, influenced by the protagonist, a cold-faced and cute person who knows how to joke)