KOREAN Red Velvet - IRENE & SEULGI (레드벨벳-아이린&슬기) Red Velvet (레드벨벳) Red Velvet – IRENE & SEULGI – Heaven
KOREAN Red Velvet - IRENE & SEULGI (레드벨벳-아이린&슬기) Red Velvet (레드벨벳) Red Velvet – IRENE & SEULGI – Trampoline
KOREAN Red Velvet - IRENE & SEULGI (레드벨벳-아이린&슬기) Red Velvet (레드벨벳) Red Velvet – IRENE & SEULGI – Girl Next Door
KOREAN Red Velvet - IRENE & SEULGI (레드벨벳-아이린&슬기) Red Velvet (레드벨벳) Red Velvet – IRENE & SEULGI – Irresistible
Julie (쥴리) KOREAN Red Velvet - IRENE & SEULGI (레드벨벳-아이린&슬기) Red Velvet (레드벨벳) Red Velvet – IRENE & SEULGI – What’s Your Problem? (Feat. Julie (쥴리) of KISS OF LIFE)