The dungeon is in Korea, but as an esper with a pretty specialised power niche Haru is used to occasionally having to go international for these dungeons, and the fact that he already speaks Korean is definitely a bonus. The espers he's going to be working with are all in Quasar Guild, which is the largest one in Korea and which has just recently acquired a very powerful teleportation esper, one whose power can be stored in batteries Quasar also happened to already have in its possession, so they're covering the teleportation cost for Haru to get there.
Bell and Jaeha
yoo_min_max
"Ugh, see what I meant?" Yoo-min tells Haru. "And he means it, too! We've known each other like a year and a half now!"
neither_rest_nor_peace
"Good evening to you, too, hoobaenim. —oh, you're Kang Jaeha-shi? We haven't been acquainted." He bows.
this_peculiar_power
"It's nice to meet you, sunbaenim."
What the fuck what the fuck what the fuck what the fuck what the fuck what the fuck what the—
neither_rest_nor_peace
...is it? He looks kind of constipated.
Well, he'll sit down. "Oh, Min Woo-young. This is your first time here, right?"
this_peculiar_power
Forced smile pasted on. "Yeah, I'm alright. Ah, I just need to go to the bathroom for a moment—"
traceless
"Anyway I assume permission is not the thing stopping you from just calling me Haru but you do have permission," Haru tells Tae-gun.