Gottfried Webers Theory Musical

(Shota Scratch 19) [Catcher in the Rye (Kurokawa Juso)] Zokuakunin no Omake hon

Soutaisei Virgin Theory

[monozone (奏ユミカ)] そして、君の赤に袖を通す (あんさんぶるスターズ！)

Hakase no Renai Kaizouron | A Professors Theory on Love and Sex Reassignment Surgery

[Panda 4gou (Shima Kyousuke)] Hajime-sensei to Otona no Hoken Taiiku. | Hajime-sensei and the Adult Health and Physical Education (Pop'n Music) [Chinese] [黑夜汉化组]

(COMIC1☆4) [Studio N.BALL (Haritama Hiroki)] Open Music! (K-On!)

(C64) [Tiger 79 (Kagurazaka Nagu)] Hyper Pop Girls! (Pop'n Music)

[Fry Dish (Jakko)] Kanojo wa Kaitou Ranma-chan (Pop'n Music) [English] [Digital]

A Kid’s Theory

(C49) [Jusou Music (Various)] Shounen Celery

[Musical Zangyou no Otaku (KaTO)] Kiss Shite Sore kara, After Story (Naruto)

「夜ノ雨」- TohoSeries Music Image Box -

(C75) [Honey Pharmacy (Fukami Ryou)] SEXY PANIC ~Neko to Saru no Love Fight (Full Metal Panic!)

無職、童貞、非処女

CAT na Deka-chan

Tanoshii Onsen Ryokan

[Chiyoji Tomo] Miss 130 #1 - Can be Carried Away by the Music [english]

(同人誌)[NT CONFESS(絵縫 圭)・ドウガネブイブイ(あぶりだしざくろ)・東方隔離郷(ak)]「夜ノ雨」- TohoSeries Music Image Box - (東方)(エロ)

[Studio N.BALL (Haritama Hiroki)] Secret Music[ss] (K-ON!)

Elements1 - Theory

(C76) [Studio N.BALL (Haritama Hiroki)] Secret Music[S] (K-On!)

Empty Theory 6 - Hearts Scheme

(Kahou wa Nete Matsu 6) [MUSIC TIGER (Miyao)] Aishou Batsugun (Osomatsu-san)

Futaba841 (Mitsuya Yoguru) - The Love and Pleasure Theory for Boys [ENG]

Empty Theory 2 - Sky High

[Panda 4gou (Shima Kyousuke)] Hajime-sensei to Otona no Hoken Taiiku. (Pop'n Music) [English] [CSword]

[Jirou] Pochiko no Kakushigei (Pop'n Music)

(Shotaket 16) [Panda 4gou (Shima Kyousuke)] Hajime-sensei to Otona no Hoken Taiiku 2 (Pop'n Music) [Chinese] [黑夜汉化组]

[mdo-h] DEVIL'S BORN (Soutaisei Virgin Theory) [Chinese]

Amai Himitsu

Kodomo no Riron | A Kid’s Theory

Houman Ninden Marine

Comic Potpourri Club 2004-10

(C97) [Juusou Music (Tama Norihiko)] Mesu Senshi Titty -Ken to Mahou to Are to-

MONRENA

K's Theory

[Crow_Theory of Heaven] Gurren Lagann Shimo-kyun Haa Haa Hon Hadaka Negai (Gurren Lagann) [Raw]

MUSIC BOOK

Happy theory

[Juusou Music (Yamashita Woory)] CAT na Deka-chan

Magical Music

[Fukunoren (Yukiwo)] Moga (Pop'n Music)

(C73) [LUCK&PLUCK!Co. (Amanomiya Haruka)] MUSIC BOOK(II) (Various)

[Ozawa Koubou (Ozawa Manabu)] Kakehiki wa Kibishiku Sasayaki wa Amaku (Full Metal Panic!) [Digital]

[Theory of HEAVEN (CROW)] Ikuiku! Ikuma-kun! (Black Jack) [2017-08-20]

Secross Frontier

Crow (Theory of Heaven) - Honey Kami the 2nd vol.0.7

(C73) [LUCK&PLUCK!Co. (Amanomiya Haruka)] MUSIC BOOK(I) (Various)

(C88) [Randou House (Randou)] Ongakushitsu no Koibito-tachi | Lovers in the Music Room (Love Live!) [English] [Zeria Scans]

[Panda 4gou (Shima Kyousuke)] Hajime-sensei to Otona no Hoken Taiiku. (Pop'n Music) [English]

Empty Theory 1 - After Pleasure

(C74) [PASTEL WING (Kisaragi-MIC, Takopi)] Shima Shimai Music (Little Busters!, Fortune Arterial)

[Mira] Kodomo no Riron | A Kid’s Theory (School Girls Love Selection) [English] {Hennojin}

(C92) [Koniro Drops (Morishima Kon)] Rironjou 3-patsu made nara Taeraremasu. - In Theory You Can Tolerate up to Three Shots (Splatoon)

Kanon Visual Fan Book

(Chou Ore no Turn 25) [DELL Taiha 666 (Various)] BIRD&BEE (Yu-Gi-Oh! ARC-V)

(SC2015 Autumn) [CHRONOLOG, D.N.A.Lab. (Sakurazawa Izumi, Miyasu Risa)] Super String Theory (Kantai Collection -KanColle-)

[TLB] Hatsujouchuu no Loli Meikko o Ikasezu Iji♪ Iji♪ Jirashite Itara Saigo Erai Me ni Atta Yatsu

Innocence1 - Theory

A Professors Theory on Love and Sex Reassignment Surgery

Pop'n Music - Unreleased

[Kuroiwa Menou] Hitozuma Club Bijo to Yajuu-tachi (COMIC HOTMILK 2020-05) [English] {The Ancient Hentai Theory} [Digital]

Uma-sen - The Music Room Love Affair

[Neya] Amai Himitsu (Pop'n Music)

[Theory of HEAVEN (CROW)] Onikuya Ken-chan (Anyamaru Tantei Kiruminzoo) [Digital]

Kimi to no Shukumeiron - The theory of fate with you. | 與妳的宿命論

[Studio N.BALL (Haritama Hiroki)] Secret Music (K-On!)

BIRD&BEE

Big Breasts Flat Theory

Empty Theory 3 - Cousin

Empty Theory 5 - Advantage

Loli Baba Okaa-san wa Oshi ni Yowai 7

[Go! Go! Heaven!! (speed)] Yoru no Iinchou to Kanojo no Ana 1 Color Ban

Secret Music 4c

(C92) [IRODORI (SOYOSOYO)] Sokosoko Isogashii Sentaichou no Tokubetsuna Ichinichi (Full Metal Panic!)

(Shotaket 16) [Panda 4gou (Shima Kyousuke)] Hajime-sensei to Otona no Hoken Taiiku 2 | Hajime-sensei and the adult health and physical education 2 (Pop'n Music) [English] [Endless Summer Scanlations]

[Riro] The Music Classroom [English Translated by Tonigobe]

Ane Ochi

MYSTIC NOISE

(C78) [Kinokonomi (kino, konomi)] Kinokothical Theory (Various)