You Know The Drill (Pixiv Fanbox)

When you join the army, you must first show respect to your superiors: Do as you're told, and you'll get far in life. One day, presuming that you're lucky, you may even become their footstool 😎 You can find this image, and other NSFW pics here: https://mega.nz/folder/y6pzQLCZ#q9fvUcjOSknmIZDvV5WBdw