He's my junior, but he's an old fart

00. Character Introduction

한승우

Han Seung-woo/26/Older brother of Han Yeo-ju/Vice President of Plan Corporation

한여주

Han Yeo-ju/25/Han Seung-woo's younger sister/Plan Company, hired today

강승식

Kang Seung-sik, 25, Director, Plan Enterprise

허찬

Heo Chan/25/Cousin of the Chairman of Plan Enterprise

최병찬

Choi Byeong-chan/23/Son of the chairman of Plan Enterprise

임세준

Lim Se-jun/25/Was hired on the same day as Yeo-ju at Plan Enterprise

도한세

Dohanse Do/23/Yeoju University junior/Planning to get a job at Plan Enterprise

정수빈

Jeong Su-bin/21/Went straight to work at a planning company without going to college (got the job a year before Yeo-ju)/Yeo-ju's elementary school junior

공대영

Gong Dae-young/22/Joined with Jeong Su-bin/Junior at Yeoju University

최승철

Choi Seung-cheol/Age unknown/Father of Choi Byeong-chan and chairman of Plan Enterprise