腋 魅惑の腋 腋巫女 脇の下
When one or more armpits are clearly displayed, often with the arms up.
Hakurei Reimu of the Touhou series is known for a meme involving her armpits since her dress does a lot to emphasize them.
Do not use armpit peek with this tag.
The following tags are aliased to this tag: armpit, showing_armpits (learn more).