"#Red Velvet's little sister" is trending in Korea.

● #BoA and #SNSD (Girls' Generation) SM entertainers Red Velvet 6 years since their debut in 2014.

● Four person team including Korean, Japanese, Chinese

● Min Hee Jin, a famous director of SM's girls group, transferred to Big Hit and is preparing for “BTS's sister group”, which is a fierce competition.