Please, Son Chaeyoung!
Son Chaeyoung is one stupid / oblivious / dense girl who has been with Mina since her diaper days. She spent her childhood, youth and now adulthood with one and only Myoi Mina. Myoi Mina is one true role model for everyone beside her best friend, Son Chaeyoung, the only person who knows her best and her worst flaws. S...