what's up with the tape recorder?????

i assume seungbae chipped sangwoos house/clothing in someway to record what he was saying???? not sure

Makes a lot of sense.
I feel like it's becoming more and more difficult to keep track since this manhwa has been running for so long

As far as the recorder goes, I'm adding a link below to a previous post I made on the topic. Hopefully it helps!

http://www.mangago.zone/home/mangatopic/3707679/