According Scientists What Hap hentai comics

(C73) [Happy Man (Suzuki Kyoutarou)] UNHAPPY GIRL b／9 (Dennou Coil)

(C86) [mon-petit (Mon-petit)] Wheel of Fortune (HappinessCharge PreCure!)

(C92) [Handful☆Happiness! (Nanahara Fuyuki)] HONEY CAGE

(Comic Castle 2005) [HAPPY WATER (Kizaki Yuuri)] Meerchan no DOKIDOKI taiken (Gundam SEED DESTINY)

(C87) [K2 Tomo no Kai (Mizuki)] Aibo-gari MAMA CURE HUNT (HappinessCharge Precure!)

(SC31) [HappyBirthday (Maruchan.)] being (Touhou Project)

[Windmill] Happiness! Visual Fanbook (Happiness!)

(Touhou Goudou Saiji 5) [Happunzaki (Toyosaki Shu)] ever since (Touhou Project)

[Koufuku Iinchou (Happy)] Doukyuusei to Otomari [Digital]

(COMIC1☆8) [Divine Fountain (Koizumi Hitsuji)] Bad End wa Mitsu no Aji (HappinessCharge Precure!)

What Happens in Pallet Town

[HAPPY COLOR FESTIVAL! (Xenon)] Himitsu no Oshinagaki plus (Gochuumon wa Usagi desu ka?) [Digital]

(Minna no Ketsui 2) [Chabane Ninja (Happamushi)] Himitsu no Otona no Afufu na Ochakai (Undertale)

[Tachikawa Ritsuka] AVnai GAME Zettai ni ￮￮ Shite wa Ikemasen! (3) | A Risque Game No Matter What happens, You can't OO! (3) [English] [biribiri] [Digital]

(C73) [HAPPY WATER (Kizaki Yuuri)] Colorful Mahora! 5 (Mahou Sensei Negima!) [English] [Trinity Translations Team]

(C86) [Funi Funi Lab (Tamagoro)] Chibikko Bitch Full Charge (HappinessCharge Precure!) [Chinese] [咪咪q个人汉化]

(COMIC1☆14) [HappyBirthday (MARUchang)] Jikochu de Ikou! (Fate/Grand Order)

(C86) [Yamada Ichizoku. (Fukurokouji, Mokyu)] Tekizen Toubou | Desertion Under Fire (HappinessCharge Precure!)

(SPARK8) [Soragoto (Chappa)] Love Brace (Naruto) [Chinese] [沒有漢化]

(C74) [Sorairo March (Narusawa Sora)] Jun-nyan to Issho (Happiness!)

[happy turn] Endless Teidou (Suzumiya Haruhi no Yuuutsu)

(C86) [COUNTER‐CENSORSHIP (Ookami Uo)] HachaMecha Princess HiME-chan (HappinessCharge Precure!)

[Chaps (Takatuka Ramune)] Ore no ki mo shiranaide (Devil Survivor 2)

(Shota Scratch 18) [Happydrop (Bell)] Sketchbook

What You and I Want to do Together!

(C90) [Happiness Milk (Obyaa)] SanaSuwa Ryoujoku Ganbou III (Touhou Project) [English] [Mongolfier]

[Studio Mizuyokan (Higashitotsuka Rai Suta)] Heartcatch Mirage (HappinessCharge Precure!) [Digital]

(C82) [Condiment wa Hachibunme (Maeshima Ryou)] CHEMICAL HAPPY!! (Smile Precure!)

[Digital Accel Works (INAZUMA)] Inazuma Pretty Warrior (Precure Series)

(C85) [PalePink! (Sakurabe Notos)] Happiness Happy (Jewelpet Happiness)

(SC2016 Autumn) [Happy Birthday (MARUchang)] Dangerous Eden (Fate/Grand Order)

(C74) [HAPPY WATER (Kizaki Yuuri)] C.C. ni "Goshujin-sama" to Iwareta Karani wa Nekomimi Maid ni Suru Shikanai Janai ka! (Code Geass: Lelouch of the Rebellion)

[HAPPY WATER (Kizaki Yuuri)] SR Vira o Te ni Ireru Tame nara Nandemo Yaru (Granblue Fantasy) [Digital]

[Okonogi Happa] Tensei shita Akuyaku Reijou wa H shinai to Shinu Unmei ~Tekikoku Ou to Rouraku Kekkon~ | 转生成为恶役大小姐，迎接不H就会死的命运~与敌国国王的笼络联姻~ 1-3 [Chinese] [莉赛特汉化组]

(COMIC1☆10) [Gachapin Mukku. (Mukai Kiyoharu)] Yume de Aetara (Re:Zero Kara Hajimeru Isekai Seikatsu) [Chinese] [oo君個人漢化]

(C88) [Happiness Milk (Obyaa)] SanaSuwa Ryoujoku Ganbou (Touhou Project) [Chinese] [靴下汉化组]

(C79) [Happy Drive! (Yofukashi)] Kanjou Falling (Touhou Project)

(C92) [Happy Birthday (MARUchang)] Lion Heart! (Fate/Grand Order)

What Happened When a Virgin Went To a Sex Bar With His Little Sister kek

(C86) [GARUNANSA mk-2 (Mizuhara Katsumi)] Samishii Kimochi wo Wasureru hodo ni (HappinessCharge Precure!)

[Happy Present (Manmer)] Reimu to Alice ni Hyoui Tensei (Touhou Project) [Chinese] [12356漢化] [DL版]

(C87) [So-matou (So-ma)] Iona Grande (HappinessCharge PreCure!)

(C87) [Happy Birthday (MARUchang)] Junjou ACTION! 2 (Kantai Collection -KanColle-)

(Reitaisai 14) [Happiness Milk (Obyaa)] Komeiji Shimai wa Hentai Maso Hole (Touhou Project)

(Rainbow Flavor 18) [Prahapripa (Rinsun)] Miracle de Magical na Mahouzue (Mahou Tsukai Precure!) [Chinese] [HazelF个人汉化]

(C73) [Hapoi-dokoro (Okazaki Takeshi)] bliss (The Melancholy of Haruhi Suzumiya) [English]

(C86) [Hapoi-Dokoro (Okazaki Takeshi)] Rise Sexualis 2 (Persona 4) [Chinese] [Genesis漢化]

(C86) [Yamada Ichizoku. (Fukurokouji, Mokyu)] Tekizen Toubou | Desertion Under Fire (HappinessCharge Precure!) [English] {doujin-moe.us}

[HAPPY COLOR FESTIVAL! (Xenon)] Hidamari Pikarin! X-Rated (Dokidoki! Precure, Smile Precure!) [Digital]

(C86) [Nanikaya (Sake)] Onaka Ippai Tabemashou (HappinessCharge PreCure!)

Saimin Idol ~Happy Clover ga Chiriochiru made~ Ch. 1-7

(COMIC1☆3) [HAPPY WATER (Kizaki Yuuri)] Colorful Double Oppai. (Mobile Suit Gundam 00)

(C61) [Happy Koukou (Masaki Gunji)] Dennou Tenshi (Angelic Layer)

(C87) [Gambler Club (Kousaka Jun)] HapiPuni -Moshi Kami wo Hodoite Nakattara (HappinessCharge Precure!)