Heartbeat OST

Album: Heartbeat OST Part 1 
Tracklist:
01. Han Seung Yun — I Revive 
02. Han Seung Yun — I Revive (Instr.)

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park kang hyun - vampire heartbeat

Album: Heartbeat OST Part 5 
Tracklist:
01. Park Kang Hyun — Vampire
02. Park Kang Hyun — Vampire (Instr.)