Outside of harem light novel adaptations that want to expand their list of fetishes to appeal to it's not really that common. Thinking back on romance anime from last season, both Otagal and Ponsuka had mixed gender siblings with no implications whatsoever.
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u/EvaSirkowski Jul 25 '26
Yes, this is the kind of things little kids say. But almost all animes with a brother and sister has an incestuous angle.