A female character with a completely flat chest, that is, no breasts whatsoever. For breasts larger than flat yet smaller than normal, use the small breasts tag.
Flat chests should not be tagged as breasts.
Child and non-female characters should not be tagged with flat chest.
The following tags are aliased to this tag: flat_chested and pettanko (learn more).
The following tags implicate this tag: flat_chest_grab and grabbing_own_flat_chest (learn more).
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