Often tricked by others, the impoverished young man time-traveled into the *Demon Realm* and was assumed to be the former Queen's reincarnation and was brought into the Palace. In his past-life's family, not only does the wife-loving "husband" think of him as a replacement, but the "kids" think of him as their evil step-mother. That is, until he awakened a **100 year-old infant...**

Yandere commoner × Villainess noble girl. Miss Hesha is jealous of the commoner girl Qiao Lin. The arrogant young lady Hesha was robbed of her first kiss by coquettish Qiao Lin as she was messing with her. At first everything started as a prank to get revenge on Qiao Lin, but later, Hesha desperately found excuses to attract Qiao Lin's attention... When the villainess met the yandere, she repeatedly suffered and did more unreasonable things in return. The more she suffered, the more obsessed the other girl became.