Imaris
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Firstly, we don't see if her second breast is covered.
Secondly, there are cases like this - a Seraphim from Sacred.
Thirdly, in the vastness of the Russian internet, and in general, the term "armor bikini" is not common, but "armor breastplate" is. Are you aware of what a black box is in airplanes? The one that is deciphered if a crash occurs. And are you aware that it is actually an orange sphere? But the term has become established, and no one wants to change it, nor is it necessary.