Magic 21 Volume 4

Cough cough*… gah…!?"
The air he was exhaling was not returning as inhales. His lungs could not be filled with air. As if he was drowning–yes, he was on the verge of drowning.
"If the lungs are turned to water balloons, humans would become like this, right? As I expected of this technique, it's not something other people at school can possibly do, so it's the first time you've seen it."
Shizuku who was using Aoiro Rinne like this had turned all the atmosphere in the whole place the same way. Therefore, she could establish control over all of it–including the air that Wallenstein was breathing.
Wallenstein's ability to control friction certainly was an unparalleled power pertaining to external slashes and strikes. However–
"If it's inside the body, there's nothing friction can do, am I right?"
"Gah… ukk…!"
Wallenstein, drowning in an invisible sea, finally couldn't keep standing and fell to the floor with his eyes wide and his mouth opening and closing like a fish washed up on shore desperately seeking oxygen.