Challenger Quant Engineer

Yuunou Engineer ni wa Ura no Kao ga Aru Watashi o Kaihatsu suru Dekiai Step | 能干程序员隐藏的一面 把我“开发”的溺爱步骤 1-8

[Anthology] Satyr Engine 1

(C80) [Mine Noujou (Kirsi)] Inran Seibo Mariya-sama | The Holy Slut, Mariya-sama (Maria Holic) [English] [Samachan] [Incomplete]

[Korotsuke] Nekura Megane ♀

[Terasu] Teitoku ga Shiranai Tokoro de Yarichin Seibishi to no Uwaki Sex ni Dohamari Shita KanColle no Tenryuu | While admiral doesn't know it, Tenryuu is having NTR sex with an engineer. (Kantai Collection -Kancolle-) [English]

Honoka Challenge! 2

(C91) [Molossan (Morochin-san)] DokiDoki Mesuiki! Challenge!! (Various)

Neko Wa Kotatsu De | The Cat in the Kotatsu

Onna Kentoushi no Shakuhou o Kaketa Chousen | The Liberation Challenge of a Female Knight

(Sennen Battle Phase 10) [ANNIELAURIE (Toyama Nanao)] Sex Challengers (Yu-Gi-Oh! ARC-V)

(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] [LoliLab Translations]

[kogasaki yuina] JK Mamamo No Shuugakuryokou Oppai Challenge | JK玉藻的畢業旅行ㄋㄟㄋㄟ大冒險 [Chinese] (Fate/Extra)[三色的大猩猩翻譯同盟]

(C97) [Yusei Haguruma (Victanyas)] Namaiki Kuchikukan Wakarase Challenge | I'll Make You Understand Challenge (Azur Lane) [English] {Doujins.com}

Shimakaze-kun no Hatten Toilet Challenge!

Pancakes Challenge

(Gunreibu Shuho & Houraigekisen! Yo-i! Goudou Enshuu 4Senme) [Renai Mangaka (Naruse Hirofumi)] Kashima-san to Akimatsuri Challenge (Kantai Collection -KanColle-)

[Mousou Engine (Korotsuke)] Izen to Shite Nigate na Senpai (Hitozuma) o Otosu Hanashi | The Story of How I Seduced My Old Still Hard to Deal with (Married) Senior [English] {darknight}

Kanade Challenge Kouhen

Izen to Shite Nigate na Senpai o Otosu Hanashi

[Heroine Engineering (TAREkatsu)] Bad-end simulation Vol. 1 add'I (Bishoujo Senshi Sailor Moon) [English] [kuraudo]

(C74) [Rotary Engine (Kannazuki Motofumi)] Kiri★Tama (BAMBOO BLADE)

[Panda 4gou (Shima Kyousuke)] Lag Lag 2 (Lagoon Engine) [English] [Nezuh-Kun] [Digital]

[Korotsuke] Nekura Megane ♀

Petite Jolyne Lewd Challenge + Extras

Touhou Nyuusatsuroku

[Korotsuke] Nekura Megane ♀

Senyou Touch Pen de Chara o Ayatsuri, Neko-chan ni Saimin o Kakero!

Captain Saimin Icha Love Challenge | The Captain's Hypnosis Lovey Dovey Challenge

Natsukoi Challenge | Summer Love Challenge

Otokoyu Challenge Suru Ko

(Shota Scratch 2) [Panda 4gou (Shima Kyousuke)] Lag Lag 2 (Lagoon Engine)

[Niliu Chahui] Male Swimsuit Challenge [English]

[Kirsi Engine (Kirsi)] Akuyuu Mesu-ka Keikaku [Digital]

[Kinomoto Anzu] Akari Challenge (Chiisana Karada no Dakigokochi) [English] [TQM_Translations]

[Korotsuke] Nekura Megane ♀ | The Creepy Glasses Girl [English] [Ongoing] {darknight}

[Rotary Engine (Kannazuki Motofumi)] LOTUS BREAKDOWN (Accel World) [English] [HappyMerchants] [Digital]

(C92) [MeltdoWN COmet (Yukiu Con)] Kanade Challenge Zenpen

Hitozuma Tokiko no Tenraku

Takagi Airi no 10-pun Challenge | Takagi Airi's 10 Minute Challenge

[Korotsuke] Nekura Megane ♀ | The Creepy Glasses Girl [English] [Ongoing] {darknight}

Nametake Challenge!

Kanako Challenge

[Korotsuke] Nekura Megane ♀ | The Creepy Glasses Girl [English] [Ongoing] {darknight}

Aisha Challenge Renji ☆ 4

[Korotsuke] Nekura Megane ♀

(C97) [DECOPPACHI (Hidiri Rei)] DT Chinpo 100-pon Acme Challenge!! (Kiratto Pri Chan)

Jigen Engine no Himitsu

Yuunou Engineer ni wa Ura no Kao ga Aru Watashi o Kaihatsu suru Dekiai Step | 能干程序员隐藏的一面 把我“开发”的溺爱步骤 1-5

Haiki Shobun Shiranui Mai No.2 add'l Route A

[Fukuyama Naoto] Saimin Tengoku Challenge 06 (COMIC BAVEL 2022-02) [Chinese] [萬神殿牛頭人個人漢化] [Digital]

(C91) [Carnage Engine (Bakudanbonbon)] Yellow Heart-sama to Osoto de Ecchi Suru Hon (Hyperdimension Neptunia)

Nanjamo to Ura Gym Challenge!! | Iono's Secret Challenge!!

(C68) [Amusement Engineering (Serizawa Houri)] Shougai Chuusei Sono ni Shiki (Full Metal Panic!)