[MV] SEJEONG(세정) (gugudan(구구단)) _ If Only(만에 하나) (The Legend of The Blue Sea(푸른 바다의 전설) OST Part.10)在 上觀看
![在 YouTube 上觀看「[MV] SEJEONG(세정) (gugudan(구구단)) _ If Only(만에 하나) (The Legend of The Blue Sea(푸른 바다의 전설) OST Part.10)」](https://i.ytimg.com/vi/EmjhISspkyY/maxresdefault.jpg "在 YouTube 上觀看「[MV] SEJEONG(세정) (gugudan(구구단)) _ If Only(만에 하나) (The Legend of The Blue Sea(푸른 바다의 전설) OST Part.10)」")
![聆聽 KIMSEJEONG 的 Paramour (From "Mr. Sunshine", Pt. 13) [Original Television Soundtrack]，欣賞歌詞、音樂影片等！](/mkimage/image/thumb/Music116/v4/9b/fa/bc/9bfabc36-e51d-2154-24ad-8935dc60e5b2/8809603546258_Cover.jpg/375x375bb.webp "聆聽 KIMSEJEONG 的 Paramour (From \"Mr. Sunshine\", Pt. 13) [Original Television Soundtrack]，欣賞歌詞、音樂影片等！")
