レイ（IVE）、芸能人になっていなかったら「Red Velvet」のファン活動をしたいと熱く語る＝「知ってるお兄さん」
Ray (IVE) passionately talks about how he would like to be a fan of ”Red Velvet” if he were not a celebrity = ”Knowing Bros”
The closing ceremony of "Big Brother School" was held in 2023 and is attracting attention. JTBC's variety show "Knowing Bros", which will be broadcast on the 23rd, includes
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