

Cyrus Campbell, originally the heir of the wealthy Campbell family, breaks with his family for his wife Sophia Smith and survives by delivering food for five years. Unexpectedly, Sophia Smith is vain and materialistic, influenced by her friend to develop an ambiguous relationship with her former lover, Simon Harrison. She even chooses to visit Simon’s grandmother who only has a cold, missing the final moments of Cyrus’s critically ill grandmother.

Cherry Jepsen is the Jepsen family's biological daughter who was switched at birth. After 18 years, she returns home, and everyone expects her to compete with the daughter raised in her place, Rudy Jepsen. Instead, the first thing Cherry does is cling to Rudy's side as an ally. Through their growing bond, Rudy is moved by Cherry's genuine affection. The two sisters unite to crush their enemies and each finds sweet romance along the way.
![[ENG DUB] My Stepsister, My Strongest Ally](https://acfs3.goodshort.com/dist/src/assets/images/pc/common/f901131c-default-book-cover.png)
Cherry Jepsen is the Jepsen family's biological daughter who was switched at birth. After 18 years, she returns home, and everyone expects her to compete with the daughter raised in her place, Rudy Jepsen. Instead, the first thing Cherry does is cling to Rudy's side as an ally. Through their growing bond, Rudy is moved by Cherry's genuine affection. The two sisters unite to crush their enemies and each finds sweet romance along the way.