The flat iron is showing his wealth for sure if this is Korean it would have been one of the early models. They would have just been developing them for commercial use. If it Japanese they would have had Gyaru starting in the early 90s so dyed, bleach and frieddd. It would have been so cool to see people discovering easier ways to do shit. My mom and her sisters used a clothing iron

1) flat irons? [ch 1] (could be wrong about this since my hair dries straighter than geometry, so I don’t use them)
2) DS game cartridge [ch 1]
3) "bone apple tea" [ch 1]
4) great pacific garbage patch [ch 2]
5) "running on sunshine" [ch 2] (remember your pool safety rules folks….it’s WALK, not run….WALKING on sunshine….if you’re gonna mention the band then get their song title right!)
6) "love me, love me~ say that you love me~ fool me, fool me-" [ch 4] (this song is from 1996 - so close!)
* yes I will edit list as the story continues *