You just reminded me of something I thought of a few weeks back actually. I'm seeing Rin in random anime now.
So there's this seasonal anime running right now called Dead Mount Death Play by the guy who did Durarara and Baccano.
The main character has a sentient stuffed shark and looks like this:
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He also has a sibling who literally rocks Rin's fit AND one who is completely fucking obsessed with stuffed sharks:
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I'm not schizo, promise. Rin's designer is clearly a Ryogo Narita fan and based her off of this manga.
Thank you for coming to my TED Talk.