i don't wanna sound ominous but i feel like that keychain is gonna be a pain somehow.

i thought so!

Yes definitely

Maybe there’s a tracking or listening device within it? Just a prediction though

I think It could be a vibrator

???

fr that dude is a psycho he def left it on purpose, several reasons i can think of are
• as others said, to track jaeyoung (very likely since jaeyoung blocked him; jun was most likely the

Lol this is wild

oh no why did my comment cut off AA is it because i used emojis ╥﹏╥ lemme just write what i remember
jun might've left the keychain to:
• as others said, to track jaeyoung (very likely since jaeyoung blocked him; jun was most likely the smiley contact and lost track of jaeyoung's actions when jaeyoung stopped contacting jun after meeting seungmin)
• to instill paranoia/fear or get a reaction from jaeyoung after seeing the keychain, since jaeyoung likely knows what the phrase on the keychain means
• i don't remember the third reason lol