Opening and Ending Songs[]
Season 1 and 2 OP: Hateshinaku Tooi Sora Ni
Season 1 ED: Sutekina Shiawase
Season 2 ED: Arigatou~
OVA OP: Romantic Morning
OVA ED: Himitsu no Pocket
Season 3 OP: Sekai yo Warae
Season 3 ED: Going
Kyou Kara Maou! Character Song Album Minna no Uta[]
01 Sora Kakeru Ken (天翔る剣)
02 Kokou no Hitomi (孤高の瞳)
03 Ai no Mizuumi (愛のみずうみ)
04 Roca ~ Honnou Toiu na no Shoudou ~ (Roca ~本能という名の衝動~)
05 Yuukyuu no Tsuki (悠久の月)
06 Harukanaru Tabi (Time river) (遥かなる旅 (Time River))
07 Kawaii Hito (可愛い人)
08 Van Da Via Ondo (ヴァン・ダ-・ヴィア-音頭)
09 Yakusoku (約束)
Character Song Single Series[]
Vol. 1: Shibuya Yuuri[]
Vol. 2: Weller kyou Conrart[]
Vol. 3: Von Bielefelt kyou Wolfram[]
Owaranai Bouken
Taiyou wo Mitsumete Iru
Vol. 4: Murata Ken[]
Onaji Kaze ni Fukarete
Kenja no Kyuujitsu
Vol. 5: Von Christ kyou Günter[]
Vol. 6: Shibuya Shouri[]
OST 1[]
- Hateshinaku Tooi Sora Ni
- Seishun ~Yuuri no Theme~
- Kako ~The Goldberg Variations~
- Yuubi ~Gunther no Theme~
- Sentou
- Genshun (Preludes Op.32 No.8 in A minor)
- Kaisou
- Kangei ~The Music for Royal Fireworks~
- Seisou ~Conrad no Theme~
- Sakusen
- Youen ~Shuri no Theme~
- Hateshinaku Tooi Sora Ni (Instrumental)
- Hisou
- Keikai ~Wolfram no Theme~
- Kinpaku
- Tsuioku
- Kadou
- Kourin
- Seigi
- Youki
- Sutekina Shiawase
OST 2[]
Disc 1
- Shutsujin - Departure for the Battlefront-
- Kyoku Utage -Music Banquet
- Ikei (Reverence) - Shinou's Theme -
- Zetsudai (Tremendous) - Shin Makoku Theme 1-
- Hissatsu (Certain Kill) - Shin Makoku Theme 2-
- Shundan (Spring Warmth) - New Gunter Theme -
- Tankyuu (Quest) - Anissina's Theme -
- Seifuu (Refreshing Breeze) - Dan Hiri's Theme -
- Jiai (Kindness) - Julia's Theme 1-
- Hiai (Sorrow) - Julia's Theme 2 -
- Shukumei (Destiny) - Shouri's Theme -
- Arigatou (Instrumental 1)
- Kiki (Crisis)
- Hibuta (Gun Barrel Cover)
- Kikkou (Rivalry)
- Koumyou (Hope and Glory)
- Shingun (The March Advances)
- Kessen (Decisive Battle)
- Yakusoku (Promise)
- Soubou (Longing)
- Kaigou (Encounter)
- Subtitle
- Eye catcher
- Yokoku (notice)
- Arigatou (Instrumental 2)
Disc 2 - Drama-
- Kyou kara MAou! -Himitsu- Genzai (Present)
- Kyou kara MAou! -Himitsu- Kako (Past)
- Kyou kara MAou! -Himitsu- Soshite Genzai (And now, the present)
OST 3 Yuuri Heika Seitan Kinen! Omoide no Album -Memories-[]
- Senkou (Glint)- Demon King's Theme 3
- Setsugan (Supplication) -Janus ' Theme (Pange Lingua -Gregorian Chant)
- Kami Hakarigoto (God's Strategy) - Saralegi's Theme
- Shinken (Divine Sword)
- Yuuhi (Launching Out)
- Yumeutsutsu(Half Awake) - Queen Alazon's Theme
- Shuurai (Invasion)
- Hangeki (Counterattack)
- Shiren (Tribulation)
- Yuushi (Gallant Figure)
- Kaze no Komoriuta (Wind's Lullaby)
- Kibou (Hope)
- Kakyou (Bridge Building)
- Shukuun (Fate)
- Kikan (Repatriation) Janus' Theme 2
- Yuuri's Memory for Conrad
- Conrad's Memory
- Gunter's Memory
- Wolfram's Memory
- Yuuri's Memory (for Wolfram)
- Gwendal's Memory
- Murata's Memory
- Yuuri's Memory for Murata
- Shouri's Memory
- Saralegi's Memory
- Yuuri's Memory for Saralegi
- Taisetsu na Mono (TV size)
KKM! 3rd Series Insert Song - Taisetsu Na Mono - Single[]
- Mienai Te to Te
- Taisetsuna Mono (guitar mix)
- Taisetsuna Mono (instumental)
- Mienai Te to Te (instrumental)
PC Game OST- Oresama no Quest[]
- FINELATER (Opening)
- Sekai wa Mawaru (Ending)
PS2 Game OST- Hajimari no Tabi Gakudan[]
- Hashirunda! (Running)
- Hajimari no Tabi (The First Journey)