The whole "cousins" thing they pulled in the english dub of Sailor Moon back in the day with Haruka and Michiru (named "Amara" and "Michelle" in the dub), who were originally written as a lesbian couple.

I know that lesbian couples in a kid's show would have been a big deal at the time that it came out, but looking back now, they really did a piss-poor job at trying to make their relationship not seem romantic while also claiming they were related