Challenges Inventory Managem

[Kidocch1] Cute Jolyne Lewd Challenge (Revenge Edition) + Extras (Jojo's Bizarre Adventure) [Cryptic_P]

Hina Iinchou Amae Heta Kokufuku Challenge | 日奈委員長的撒嬌困難克服挑戰

Dairoku! Otoile Challenge

ETD Challenge.

[Kyuu (Shooya Akira)] Futtou Challenge 2 (Sora no Manimani)

(C86) [Yamakawa Den'enfuukei (Yamada, Kawada)] HERE COMES A NEW CHALLENGER!! (High Score Girl)

Manatsu no Drink Challenge

[Aeba no Mori (Aeba Fuchi)] Z-gata Shasei Kanri Android | Z-Type Ejaculation Management Android [English] [N04h] [Digital]

[sky & si-o] 罪世 - バーサーカーチャレンジ | Tsumi Yo - Berserker Challenge [EN]

(C101) [chori (Chorimokki)] Nanjamo to Ura Gym Challenge!! | 奇树的秘密相声挑战!! (Pokémon Scarlet and Violet) [Chinese] [我今天爆炸了个人汉化]

[Bonnouji Yura (Bonnouji Yura)] A story about a (Ex) Great Sword Master Adventurer who challenges a dungeon where tentacles lurk [English] [unknown scanlations] [Digital]

Akatsuki no Oyome-san Challenge | Akatsuki's Bride Challenge

(COMIC1☆7) [ASIANBOY (Hasemi Ryo)] Backstage Hibiki Challenge (THE IDOLM@STER) [English]

Akatsuki-chan Mayonaka no Otoile Challenge

[ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 5 [Digital]

[ViperXTR] I Challenge You! (Kono Subarashii Sekai ni Syukufuku o!) [English]

[Satuyo] Pool de Challenge! Boyish | Challenge at the Pool! Boyish (Peaceful Ecchi!) [English] [Doki Fansubs+Yosh]

Kasen-chan no Jasen Rouraku Challenge

Tamashii Kanri Appli =SOUL MANAGEMENT SYSTEM=

Futanari Milk Challenge 2 | 扶她榨乳挑战2

催眠天国 Challenge 03

Iemoto Challenge Series - Jinrui Hasshou no Chi de Mikai no Buzoku to Bunka Kouryuu Isshuukan

(C90) [Akausagi (Fukuyama Naoto)] 100 challenge (Hundred) [Chinese] [清純突破漢化]

Flan-chan no Saimin Nikubenki Challenge

Space Detective Jade Dan Indecent Challenge

Girls from a Prestigious School Challenged to an Escape Game

Yuusha no Sairokubon Challenge

(C93) [ANDOROGYNOUS (Kiyose Kaoru)] Futanari Milk Challenge 2 [English] {Hennojin}

Nanjamo to Ura Gym Challenge!!

Onii-chan swallowing challenge！

Maki Challenge

(SC2017 Autumn) [PoyoPoyoSky (Saeki Sola)] Onii-chan no Shasei Kanri-gakari desu | Onii-chan's ejaculation management [English] [kyuukei]

Reiwa Shasei Challenge

[Toufu Insider] Saimin Appli Challenge!!

Kodomo de Challenge 2

[Sakura Garden (Shirosuzu)] Chaldea Outdoor Challenge Abby-chan to Issho | Chaldea Outdoor Challenge with Abby-chan (Fate/Grand Order) [English] [The Blavatsky Project] [Digital]

[Metacorapusu (Metacora)] JC Chinpo-beya Ikkagetsu Seikatsu Challenge! (Zenpen) [Digital]

Riko to Prushka no Paizuri Challenge

[Pyonchi Koubou (Pyonchi)] Dosukebe Muramatsuri 1 - Jigoku no Cli Zeme Mesugaki Taikyuu Renzoku Acme Challenge Hen

[Dokudenpa Jushintei (Kobucha)] Imasara Shampoo Bottle Challenge o Suru Suieibu Coach no Manga | 现在才来挑战洗发水罐子的游泳部教练的漫画 [Chinese] [同文城] [Digital]

[Hitsumabushi] Double Up Challenge! [English]

(C95) [Taikan Kyohougumi (Azusa Norihee)] Sakura-chan to Oshigoto Challenge - Ona-Hole Challenge with Sakura (Cardcaptor Sakura) [English] [biribiri]

Okay-san no Nukinuki Dosukebe Challenge

Geneki Super Idol Ikaseai Challenge! Clear de 100-man Yen! Shippai Suru to AV Debut!?

(iDOL SURVIVAL2) ["Tsu" ga Mittsu. (Tsuttsu)] Akane Challenge!? (THE IDOLM@STER CINDERELLA GIRLS)

(Motto Warunodesu... Ouji) [Sakura Garden (Shirosuzu)] Aisha Challenge Renji ☆ 4 | 爱莎的☆4挑战 (Sennen Sensou Aigis) [Chinese] [DarkZ]

[Satuyo] Pool de Challenge! Boyish (COMIC LO 2017-12) [Chinese] [code183汉化] [Digital]

Kuroshio Challenge

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

(C93) [Kikyakudou (Karateka Value)] ejaculation management (Fate/Grand Order)

Futanari Milk Challenge | 迫真水泳部・扶她的里技―第一章

[Fuwatoro Opanchu Cake] Okaa-san Kanri Appli ~Boshi Soukan Rape Hen~ | Mom App Management - Mother-Son Incest - Rape Edition [English] [DarklordMTLs]

(C95) [Andorogynous (Kiyose Kaoru)] Futanari Milk Challenge 5

Challenge Days

Nantaika Triad ♂ to Yukaina Nakamatachi Ochinchin Challenge Bon

(C92) [Slime Kikaku (Kuriyuzu Kuryuu)] Akatsuki no Oyome-san Challenge (Kantai Collection -KanColle-)

Etorofu-gata Muchikko Kodomo Challenge

Zetsurin Challenge

At first glance, it looks like a man swimsuit challenge + Textless + Bonus