Succubus Villain: The Dream of Becoming a Nine Billion Fairy Saint

He traveled through time and became Chen Lan, the crown prince of the Chenfeng Immortal Dynasty. He activated the succubus physique at the beginning, and his appearance was +999. Charm turned into a passive skill, and it can kill both men and women.
Succubus physique? It doesn't sound serious.
  【Ding, congratulations to the host for successfully activating the interrupting spellcasting system. As long as you interrupt the destiny protagonist's spellcasting, you can get rewards. 】
Interrupt the protagonist from casting a spell? Then I won’t be a villain?
 In both lives, I have been a good young man who hates evil and is bright and righteous. Even if I, Chen Lan, die today and jump into the ruins, I will never complete a single task for you.