Phase Transition Studies

(C91) [JIEITAI (Ketsudrum)] After Being Sent to Another World I'm Forced to a Love Event With My Boss!? (Kekkai Sensen) [English] [Anzu]

(Sennen Battle Phase 9) [Itoshino ￮￮-san (Esunoji)] Sukoshi mukashi no hanashi (Yu-Gi-Oh! ZEXAL)

ウロボロスの見る夢

The Study of the Heart and the Body

(C76) [Hinemosuan (Hinemosu Notari)] Moon Phase (Touhou Project) [English] [desudesu]

[Oryou] Yutsuki Onee-chan to Issho ni Benkyou Shiyo | Come Study Together With Yutsuki Onee-chan [English] {Doujins.com}

[Ohigetan] Chikan Gakushuu Shidou Youryou + Chikan Gakushuu Shidou Youryou ~Kougakunen Muke Koubi Lesson Hen~ | The Molester ♡ Study Guidance Essentials+Copulation Lesson with Middle Schoolers Compilation [English] [Striborg]

(Sennen Battle Phase 14) [Pero (Daga Shikashi)] Mitsuna kankei (Yu-Gi-Oh! ARC-V)

(Sennen Battle Phase 14) [EKITICA (Sairi)] syunmin akatsuki wo oboezu (Yu-Gi-Oh! ARC-V)

Benkyou no Ikinuki ni | Taking a Break from Studying

[Tuna Empire] Island Vol.2 (English)[SaHa]

Inu mo Kuwanai.

Muchi na Ojou-sama no Obenkyou | The Naïve Lady’s Naughty Study

(Sennen☆Battle Phase 15) [MW (MW Layer)] Roshiyashin no Marionieto-uka (Yu-Gi-Oh! ARC-V)

STAND BY MY BITCH

Atsumi to Kiyora no Love Study!

(Sennen☆Battle Phase14) [Neo Wing (Saika)] Rakuen no Temperance (Yu-Gi-Oh! ARC-V)

(C84) [Tohgoo (Fuyutugu)] Oyako Tantei wa Bikou ga Jouzu! Phase 2

Harenchi! Otokonoko Gakuen 1 Genme

(BLOODY ZONE 2) [JIEITAI (Ketsudrum)] Shounen Jikkyou Chuu!! (Kekkai Sensen)

Henai Study

A Study on External Narcissism

【Mizo Ne (Mizone)】 反抗期もんすたぁ | Rebellious Monster Phase (Sample)

(C94) [MoonPhase (Yuran)] Ari Jigoku no Hime | Princess of the Antlions [English] [Redlantern]

HE'S A LIAR

[Kouka Ryouhei (Yanagi Kyouei)] El-tentacle Birth Lady’s Mk.B PHASE-3 "Zen" [Digital]

[Momonga Club (Hayashibara Hikari)] Aniparo-ra fu genga-shū vol. I

(Sennen☆Battle Phase 11) [Lilliput (Ichikawa)] LOVE ME! (Yu-Gi-Oh! ARC-V)

[Meganei] Shishunki no Obenkyou 4 | Puberty Study Session 4 (COMIC Shingeki 2019-12) [English] [Shippoyasha] [Digital]

[Ponpon Itai] Riko-chan wa Hatsujouki!? | Riko-chan's Going Through a Horny-Phase!? (Puchi Love Kingdom) [English] {Mistvern + Bigk40k}

(C95) [MoonPhase (Yuran)] Haikakin Girl ga Kakin Shinakunatta Riyuu

(Sennen Battle Phase 13) [Arutimetto zekkōchō (Anko)] Kimi no sukebe nao shiri wa kōtsū ihanda! (Yu-Gi-Oh! ARC-V)

Mirai no Karada | 未來的身體

(Sennen☆Battle Phase14) [SYNCHROSE (Shirota)] Phantom Midnight! (Yu-Gi-Oh! ARC-V)

Phase11

(Sennen Battle Phase 18) [Takeridake (Matsu)] Saikou no Nikubenki o Anata ni. - the high-grade anal-toilet for her! (Yu-Gi-Oh! ARC-V)

(Sennen Battle Phase 13) [Batandou Shuppan (Various)] Haruka na Umi yori Arashi to Tomo ni (Yu-Gi-Oh! ZEXAL)

Yuri to Issho ni Obenkyou. | Studying Together with Yuri.

[STUDIO AJINRUI] Moon Phase (Tsukihime)

[Keno Yantarou] Mai Slave

The Tale of a Cold, Helicopter Mother Who Agrees to Act as Her Son's Surrogate Woman to Help Him Focus on Studying!

HARD CANDY FULL COURSE

Sennen Battle Phase 20) Into~u za vureinzu

(Sennen Battle Phase 22) [Gladiolus (Ametori)] Unmei ni oborete (Yu-Gi-Oh! VRAINS)

(MOON PHASE 2nd Stage) [Yumemigokoti (Mikage Baku)] Yume Utsutsu (Tsukihime)

[WHITE ELEPHANT (Various) M-Dolls I Phase G (Various)

Mushaburi Learning | Let's Study Penis

[Ponpon Itai] Riko-chan wa Hankouki!? | Riko-chan's Going Through a Rebellious-Phase!? (Puchi Love Kingdom) [English] {Mistvern + Bigk40k}

(Sennen Battle Phase 16) [Soboroyama (Kuon)] Owari no Ato (Yu-Gi-Oh! ARC-V)

Soshite Kyou mo Boku wa Kimi o Uragiru

(C67) [BLUE CATTY (Map)] Kimagure Lunatic (Tsukiyomi Moon Phase)

Sweet Candy & Drops

Secret Study Session

Study Break [English] [Rewrite] [Anonx]

Moon Phase

[Alchemy (Tekehiro)] BIRIBIRI Study (Toaru Kagaku no Railgun)

(Sennen Battle Phase 17) [Takeridake (Matsu)] Haikei, 21-shuu 6-kago no Kimi e (Yu-Gi-Oh! ARC-V)

Ryuugaku Shita Osananajimi | My Childhood Friend Who Went to Study Abroad

(Ikai Toshi no Arukikata WEST) [LUCA (Esuko)] Natsumatsuri, Bousho nite (Kekkai Sensen)

(Sennen Battle Phase 5) [Shallow Sleep++ (Shiina Yu)] Tuberose (Yu-Gi-Oh! Zexal)

[valssu] Tales of Tentacle 3 -reala- (Tales of Destiny 2)

Marumie Study!

(Ikai Toshi no Arukikata) [N°10 (Matsuji)] Soshite Kyou mo Boku wa Kimi o Uragiru (Kekkai Sensen)

(Sennen Battle Phase 19) [Monpe Kagekiha (Murako)] Doutei Dai-san to Donkan Sei-san ♀ ga Koibito ni naru made no Yakusuun Hi (Yu-Gi-Oh! GX, Yu-Gi-Oh! 5D's)

Shishunki no Obenkyou 3 | Puberty Study Session 3

(Sennen Battle Phase 20) [Azuma Doujou (Azuma Hirota)] Futari no Borderline (Yu-Gi-Oh! VRAINS)

Let's Study!

(Sennen Battle Phase 5) [Gyunyu-Gekijo (Gyunyu)] Replica ~Boku ga Zetsubou o Shitta Hi~ (Yu-Gi-Oh! Zexal)

[Anthology] Moe Kyara Sama

(SC31) [Sumomo Dou (Sumomo EX)] Vivian Bessatsu 34 - Shoukanjyuu (Tsukuyomi)

Yumi's Study Abroad/由美的留学生活（汉化）（连载中）

(C68) [lilisyuka (Satou Takahiro)] Tsukuyomi Elfriede mode (Tsukuyomi Moon Phase)

(C81) [mim'im (Mimisuke)] Prime Study

Shiburin Kenkyuu suru | Studying Shiburin

[Fuyuno Mikan] Mizugi de Obenkyou | Swimsuit Study! (COMIC LO 2015-01) [English] {Yuzuru Katsuragi}