The Secret Hole [ENG]
(Kahou wa Nete Matsu Spark 11) [MatsuCha. (Maccha)] Mahou no Onaho to Tsunagacchata Karamatsu no Junan! | The Passion of Karamatsu Connecting with a Magical Onahole! (Osomatsu-san) [English] [Rotti Rotti]
[Kisho-Muri (A6)] Kakedashi Boukensha Spark-Kun! Vol. 1 [English] {Chin²} [Digital]
August 2016 Pack
[Anthology] Junshiri
[Negurie] Karamitsuku Shisen
(Kahou wa Nete Matsu SPARK 2017) [FIZZCODE (Satonishi)] Himitsu Sensation (Osomatsu-san)
[SPARK UTAMARO] Ayami-chan Jibaku! [English]
While He's Asleep
(C63) [Studio Wallaby (Spark Utamaro)] Dokidoki Doremi (Ojamajo Doremi)
(C94) [Karuhazumi (Hazumi Yae)] SPARK (THE IDOLM@STER MILLION LIVE!)
(Yuumei Sakura) [Kitsune to Budou (Kurona)] Minoranai Master Spark (Touhou Project)
(C75) [MAX&Cool. (Sawamura Kina)] BABY SPARKS (CODE GEASS: Lelouch of the Rebellion) [Sample]
Spark Utamaru - Immoral Ichigou 2, 4-5, 8, 10[ENG]
[Kiryu Tomohiko] Twin Spark Girls (English)
The Suffering of Officer Saki by Spark Utamaro
[Kiryuu Tomohiko] TWIN SPARK GIRLS 2
[Spark Utamaro] Immoral Gyakushuu!
[Niku Ringo (Kakugari Kyoudai)] Nippon Space (Galaxy Angel)
(Kahou wa Nete Matsu SPARK 2017) [NUM (Various)] Secross counter! (Osomatsu-san)
(CC SPARK 13) [Fusuma go Ten (Chirigami Goya)] E-OPP@i ◎ (Macross Delta)
[Studio Wallaby (Spark Utamaro)] Henyamon (Kasumin)
Purple Heart-sama ga Hitasura Chikubi o Ijirareru Hon
[Spark Utamaro] Koneko wa Nakanai | A kitten that doesn't cry (Junshiri) [English]
(ComiComi16) [BLUE★SPARK (ounwm)] Members Only (Smile Precure!)
(Puniket 11) [England Peach (Eikokukan Momoha)] Hajimete no Okaasan to Naisho (Ojamajo Doremi)
[Spark Utamaro] shiru wo Suu Nawa
[Ozaki Akira] Hitoduma Shichou no H na Kaikaku | Married Mayor's Sexy Reform Ch. 1-6 [English] [erc] [Digital]
[Kiryuu Tomohiko] TWIN SPARK GIRLS
[Momiyama] PAIDOLM@STER!
Sparking Hero
[OBSIDIAN ORDER] SPARKING! ( Mahou Sensei Negima )
Mazjojo – Patreon 2016 July - Part 2
[Mongoose Studio (Spark Utamaro)] Ecchi nano wa Ikenai to Omoimasu yo ne | I don't think we should be doing erotic stuff (Mahoro de Ikou!!) (Mahoromatic) [English] [CrowKarasu]
(C83) [Bug (Momono)] SPARK (Persona 4) [Chinese] [萌控漢化組]
Dress-up Doll [ENG]
(Hoeru! SHARK!!) [SAKEPAPA (Ooki)] SPARK (Free!) [English] [Carrot-Bunny]
[BLUE★SPARK] Kattobinbin+
(Bessatsu Love Romance 2) [GMR (Mego)] Ore no Chikubi ga SPARKING!! (Gekkan Shoujo Nozaki-kun)
Unknown
Oshiri kara Hajimaru Ai mo Aruyone! | Love Can Spark From the Ass As Well!
Spark Utamaro - Seihuku Dai Seihuku 2, 4-5, 8[ENG]
(C71) [Senbon Knock Zadankai (Inaba Fuyuki)] 1000 Pa-Asuna-Cent Sparking! (Mahou Sensei Negima!)
NVA
[Spark Utamaro] Shiruwo Suunawa [English] [desudesu]
Mazjojo – Patreon 2016 June - Part 1
[Tetsuna] Tsuwamono no Rakuen [Digital]
[spark] Ojamajo Doremi