Inside the CK Entertainment building.
“The basics of infiltration are concealment and cover.”
Swish, swish.
As someone approached, Sejun quickly ducked behind a vending machine. Even though he was invisible thanks to the Invisibility spell.
Not to mention, with the Silence spell, no sound came from his footsteps—yet he still tiptoed around sneakily.
Sejun was fully immersed in his own infiltration game.
There are quite a few people here.