Actresses Kim Ok-bin and Chae Seo-jin showed off their superior bikini figures.

On the 8th, Kim Ok-bin and Chae Seo-jin posted on their respective Instagram accounts the caption, “If you take a photo of a reel with a freediving instructor and students, this is what the water buffs do before entering the ocean. A photo of a reel with mermaids.” along with a video.

In the video, sisters Kim Ok-bin and Chae Seo-jin are dancing freely in bikinis that reveal their smooth bodies without an ounce of fat before diving. The exciting atmosphere can be felt even off-screen.

Kim Ok-bin is currently appearing on SBS entertainment show ‘Jungle Bob 2 - Peruvian Bob, Caribbean Bob’, and Chae Seo-jin married a non-celebrity in April of last year.

Reporter Jeon Hyo-jin, Donga.com jhj@donga

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