Otomege is getting an anime to be broadcast in the spring 2022 anime season! Direct from the author's own twitter: https://twitter.com/kazukurai/status/1463808561897619462
it's reverse harem for the sister. It's otome game villainess reincarnation novel. Despite that, the brother is the MC, and have 2 romantic interest.
there is buuuuuuuut it's slow AF. not in the dense protag way but in the cowardly, self-dismissive protag way plus convenient shenanigans to stop any real positive development on that front (at least by the end of Vol 4 of the LN (which equates to Vol 5 of the WN))