-Heesu’s 3 older sisters
-first appearance ch 1
-protective and supportive of their baby bro
-Jaesung’s twin sister Jaehee
-first appearance ch 24
-just as ridiculous and beautiful as her bro with the same taste in partners
-Arima’s older sister
-first appearance ch 3
-shoujo manga otaku and publisher
-supportive and great advisor
-Xiao Yuan’s younger sister Yong Ning
-first appearance ch 23
-sweet as sugar and talented dancer
-in a cute relationship with a warrior princess
*spoiler*
-Yong Ning’s warrior princess wife Ping Yang is also on this list because after Xiao Yuan is reborn a second time, it’s as Ping Yang’s brother
-Ping Yang’s first appearance ch 24
-Siwon’s younger sister Siyoung
-first appearance ch 1
-cutipie and tenacious in love
-Mijeong’s older sister Midal
-first appearance ch 1
-career woman who hates company gatherings and wants to be one with her bed #relatable
-Fumi’s older sister Ami
-first appearance ch 4
-cutie model
~fujoshi of light~
-Yoonseul’s younger sister Yoonji
-first appearance ch 3
-exists probably just to tease and roast her bro lol
-Kang Joon’s older sister Kang Min
-first appearance ch 13
-bakery owner boss lady
-supportive & protective of her little bro
-Arimura’s younger sister Nana
-first appearance ch 1
-obviously the more emotionally mature one of the two siblings
-Seoan’s younger sister Jinyu
-first appearance ch. 27
-in a band
-calls out her family on their BS
Heesu in Class 2