Cleaning up our big feet (Pixiv Fanbox)

2b and a2 completed a very difficult mission, and it was all due to the commander's mistake. When the superiors learned about this, in order to punish the commander, for the next 24 hours, the commander will become the slave of the two, and she must obey their orders unconditionally. Their first order was for the commander to lick their sweaty feet clean with his tongue.