Mona’s Worst Enemy

One House, Zero Truce Between Them

Mona runs on plans. David does not, and when circumstances put the two of them under one roof, her tidy view of the world meets a man she would never choose to respect. The series stages their dislike as a daily contest of wits and stubbornness, each round ending in a worse decision than the last. Both are adults, and neither plans to lose first.

Across 15 episodes the slow burn has room to build, and the dialogue leans on banter more than melodrama. Sex scenes and nudity come with it, though Candy does not file the series under Spicy; the tags are Stepsister and Taboo.

Episodes of Mona's Worst Enemy

1. Episode 1 A ride home, parents away at work and a stare David cannot explain set the tone, and his excuse involves a raccoon in the road. Mona tells him off, insists he is not her type, then admits to herself that it was kind of cute.
2. Episodes 2–15 Episode 2 is free with an account. From there the synopsis promises more of the same daily battle of wits, stubbornness and bad decisions, until Mona’s carefully organized worldview is turned upside down.

Cast of Mona's Worst Enemy

Mona Newman is the credited name, and the story is hers; David is the step-brother she cannot stand. Candy’s “Chat with the Cast” button, handy if you would rather talk to Mona than wait for the next episode, starts a conversation with the characters.

Where to watch Mona's Worst Enemy

Nobody needs a login for Mona’s opening episode, and registering a free Candy profile unlocks her second. From the third onward every installment costs 12 tokens. Since 13 of the 15 sit behind that price, one Premium month and its 100 tokens gets you through eight. Premium cost $13.99 if paid monthly, $8.99 monthly if paid every 3 months and $3.99 monthly if paid yearly, as we saw on November 1, 2026, with today’s price waiting on the checkout page. Our free episodes guide has more.

Best For Slow Burn And Banter

If you like stepsibling stories where the bickering is half the appeal, this is the long one. The catch is the cost of staying: 2 episodes are free and 13 take tokens. A similar pairing in a different setting waits in Truth or Dare With My Stepsister.