The Japanese animated series "Science Fell in Love, So I Tried to Prove it" (or "Rikekoi" for short), which is a romcom about two researchers, recently announced a second season: twitter.com/rikeigakoini/statu . What is perhaps most interesting for the purposes of this Mastodon instance is that their logo for this season incorporates the plot and the polar equation of the cardioid (en.wikipedia.org/wiki/Cardioid), $$r=1-\sin\theta$$.

@tpfto Because it looks like a stylized heart, I assume?

@11011110 Yes, that's what I thought was their intent. It is a geeky romcom, after all.

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