Havn't seen anybody talk about this (because it doesn't really matter) so this is more of a lukewarm take:
HamStar is kohakasa NOT anhane. I saw someone suggest HamsterJam for anhane and i think that's better than hamstar for it. Like i get that an has the star things in her hair, but tsukasa is the character associated with stars, not an, so therefore hamstar = kohakasa NOT anhane (for context the shipping wiki says another name for anhane is hamstar for some reason??? I havn't seen anyone call it that but i needed to express my opinion of this somewhere and i think this place is pretty good for that kinda thing, sorry if not)
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