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Official GND Playlist / Full Compilation (Remastered)

Riding a Bike (Episode 1; Episode 2)

Do-wan (No Yoon-woo)   / yun_w_00
Jae-yul (Lee Jae-hyup)   / _woguq

Friendship Bracelet (Episode 3; Episode 4)

Joo-chan (Park Jae-ha)   / jaeha_park
Si-hwan (Kim Jung-seok)   / jstandard8
Glasses guy (Park Sung-won) / sungwon_park

The Last Diary (Episode 5; Episode 6)

Jun-gyeom (Nam Seung-yeon) / 4am_diaryday
Ha-min (Kim Hyeong-seo) / hyeong_seo_01

Sunset Boulevard (Episode 7; Episode 8)

Tae-yoon (Kwak Geon-Hee) / kgeoon.h
Hyunwoo (Ji Yoon-Jae) / jay2ssung