KyasarinYuriko
Glass: A hard, brittle substance, typically transparent or translucent.
E.g. The glass was their only restraint.
Wall: A thing regarded as a protective or restrictive barrier.
E.g. They needed to tear down this wall without damaging it.
"I knew I was safe behind this screen at first, but after some time, I started to despise it."
"If only this barrier between us would disappear. This glass wall."