These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Fanon: Teto Kasane's official age is 31, but fans often retcon it into 15, explaining that she is "31 in chimera years".
Fanon Discontinuity: Nearly everything on Namine Ritsu's official profile is disregarded by the fans. This is probably justified in that he is officially described as a 6-year old misanthropic Jerkass who pads his chest with missiles (and thus weighs 25 tons).
Also, Yokune Ruko's gender leans heavily on the male side, but due to the feminine appearance, fans still refer to "her" using female pronouns