this are my favourite relaxing (some of them sad) kpop songs, so i hope you'll like them :)

lucid dream ; monogram.
i love you boy ; suzy.
when night falls ; eddy kim.
its you ; henry.

if you love kdramas, this songs appear in "while you were sleeping" (a very VERY good drama)

stay with me ; punch feat. chanyeol.
beautiful ; crush.

both appear in goblin (which i honestly haven't watched yet :c)

fool ; winner.
winter bird ; suran.
sad pain ; suran.
house of cards ; bts.
let me know ; bts.
butterfly ; bts.
hold me tight ; bts.
last dance ; bigbang.
smile flower ; seventeen.
apology ; ikon.
if you ; bigbang.
eyes, nose, lips ; taeyang.
11:11 ; taeyeon.
breathe ; lee hi
i miss you ; mamamoo
missing you ; 2ne1
spring day ; bts
i smile ; day6

if you'll like more, i won't have any problem in posting part two :)

thank you for reading this! i hope you'll like this songs as much as i did.