Original soundtrack for the 2018 Korean action/mystery/comedy/romance drama series. Its native title is "내 뒤에 테리우스" and it's also known as "My Secret Terius" and "My Secret Terrius."

IMDB: https://www.imdb.com/title/tt8591092

Release Date: November 15, 2018

All are MP3 with a 320 Kbps constant bit rate (CBR). Track list:
01 - My Heart Beats Like That (Gaho) - 4:14
02 - Dazzling (Suran) - 3:39
03 - One Day (Kim Min-seung) - 3:18
04 - Shout to the Sky (Eun-jung) - 4:25
05 - When Will I See You (Yang Da-il) - 4:10
06 - My Sun (MINOS, Sabina, Drones) - 3:57
07 - When Will I See You (acoustic version) (Yang Da-il) - 4:15
08 - Terius Behind Me (Kim Jun-seok) - 2:43
09 - Legendary Black Agent Kim Bon (Kim Jun-seok, Koo Bon-chun) - 4:39
10 - My Family Behind Me (Jeong Se-rin) - 3:54
11 - Ajumma Information Agency KIS (Kim Jun-seok, Koo Bon-chun) - 2:42
12 - Tracker (Joo In-ro) - 3:18
13 - Clue to the Case (Koo Bon-chun) - 1:34
14 - Cheerful Ajumma (No Yu-rim) - 1:57
15 - Ajumma's Intuition (Lee Yoon-ji) - 2:08
16 - Uncle Living in the House Across from Me (Kim Hyun-joo) - 1:32
17 - People I Love (Jeong Se-rin) - 4:05
18 - People I Want to Believe (Noh Yu-rim) - 2:10
19 - Ugaba and Pig Us (Luli Lee) - 1:25
20 - Taming Jun-Jun Siblings (Lee Yoon-ji) - 1:47
21 - I Will Protect You (Kim Hyun-joo) - 4:12
22 - Target (Joo In-ro) - 3:17
23 - Concealment of Death (Kim Jun-seok, Koo Bon-chun) - 2:03
24 - Unexpected Farewell (Jeong Se-rin, Shin Yoo-jin) - 3:51
25 - Watching (Lee Yoon-ji) - 2:00
26 - A Day of Twins (Son Sung-rak) - 1:56
27 - One Spoonful of Longing, Two Spoonfuls of Love (Jeong Se-rin, Koo Bon-chun) - 2:31
28 - The Operation of the Jummas (Joo In-ro) - 1:46
29 - The Operation Begins (Koo Bon-chun) - 1:57
30 - The Hidden Code (Noh Yu-rim) - 2:24
31 - Moms' Chat (Joo In-ro) - 2:22
32 - The Dropped Gummy Bear (Park Hye-min) - 2:12
33 - The Spy Who Became a Babysitter (Lee Yoon-ji) - 1:52
34 - An Odd Investigation (Shin Yu-jin) - 2:02
35 - Where Are You Affiliated (Luli Lee) - 1:13
36 - Morning at King Castle (Park Hye-min) - 2:10
37 - Operation King's Bag (Luli Lee) - 1:54
38 - Hey, Brother (Park Hye-min) - 1:47
39 - Agony (Son Sung-rak) - 2:41
40 - Lonely Time (Noh Yu-rim) - 2:37
41 - Me Too, I'm Fine (Luli Lee) - 2:30
42 - Suspicious Movement (Kim Hyun-joo) - 2:05
43 - The Identity of the Voice (Koo Bon-chun) - 2:10
44 - The Assassination Technician (Jeong Ye-ji) - 1:56
45 - The Beginning of Illegalities (Koo Bon-chun) - 1:33
46 - Magician Card (Shin Yu-jin) - 2:18
47 - Traces Found (Park Hye-min) - 1:44
48 - Find Terius (Shin Yu-jin) - 2:25
49 - Hunter (Son Seong-rak) - 2:21
50 - My Heart Beats Like That (instrumental) - 4:15
51 - Dazzling (instrumental) - 3:40
52 - One Day (instrumental) - 3:19
53 - Shout to the Sky (instrumental) - 4:26
54 - When Will I See You (instrumental) - 4:13
55 - My Sun (instrumental) - 3:58
56 - Annapurna (Lee Yoon-ji) - 3:57
57 - Sleepless Nights (Norah Jones) - 4:15

Total length: 2 hours, 39 minutes, 59 seconds