A stand-in groom who happens to be her stepbrother
The premise works by substitution. The groom is absent, so the stepbrother takes over his role, and the synopsis lists the steps one at a time: the vows, the kiss, the dress, the wedding night. The trailing dots in the official text make clear where that list is heading without spelling it out. It is a wedding-countdown fantasy, and the forbidden part is that the stand-in is family by marriage.
Two details in the data are worth knowing. It is tagged Stepsister but, unlike most titles with that tag, not Taboo. And the character Candy.ai credits as the lead is Lea Fontaine, while the synopsis calls the bride Ava. Whatever the name, the bride, her stepbrother and the missing fiancé are fictional adults generated by AI, with nothing filmed.
Free wedding prep, then the token price of the big day
Candy.ai lets you into the preparations at no cost: episode 1 with no account, episode 2 with a free account. That free stretch is two episodes long, which should be enough to tell whether the stand-in-groom idea works for you.
From episode 3 on, each episode costs 12 tokens, and seeing the whole countdown through comes to 36 tokens. Premium’s 100 monthly tokens absorb that easily, with enough left over to finish another standard five-episode series at 36 tokens. Paying month to month at $13.99 (first month $9.99) is the smallest single commitment if this is a one-off.
A reason to hold back: Candy.ai publishes no per-episode rating, so nobody can tell you in advance how explicit any single part of the wedding run-up gets. The free episodes are the only reliable preview.
Kiss the Bride, Stepbro next to other stepsister series
My Step-Sister’s Dormitory is the closest in labeling, also tagged Stepsister without Taboo. It is a Candy Creators series, though, built on Riley Reid’s licensed digital twin (consented, filmed nothing, no original recording) and set during a weekend visit to an all-girl college dorm, so it runs at the creator price.
British Summer with my Stepbro shares the stepbro in the title and sets its stepsibling tension inside an old-money family in Kent, with Taboo added. For something much longer, Simona Rossi: Wrong But Right gives a stepsister’s growing attraction to her stepbrother 15 episodes. Every other title with this tag is listed on the Stepsister category page.