What is the line distribution like for Knock Knock (Who's There?) by Red Velvet?

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𝗔𝗿𝘁𝗶𝘀𝘁: Red Velvet (레드벨벳)
𝗦𝗼𝗻𝗴: Knock Knock (Who's There?)
𝗔𝗹𝗯𝘂𝗺: Chill Kill - The 3rd Album

#REDVELVET #KNOCKKNOCK #LINEDISTRIBUTION