Phase Transition Studies

Shishunki no Obenkyou Saishuuwa | Puberty Study Session Final Chapter

(Sennen Battle Phase 9) [titty (Putsu)] Ore to Ryoga no sore kara (Yu-Gi-Oh! ZEXAL)

(Sennen Battle Phase15) [Cotton 100% (Noi)] Shun!! Chanto Nugasete!! (Yu-Gi-Oh! ARC-V)

夏祭り、某所にて

(C88) [MoonPhase (Yuran)] Nishikino Maki no Warui Yume (Love Live!) [Chinese] [坏人卡]

Shishunki no Obenkyou 3 | Puberty Study Session 3

(C74) [Kansai Orange (Arai Kei)] Jiyuukenkyuu | Free Study (Yotsubato!)

Phase9

(C83) [99mg (Coconoe Ricoco)] study room

Pure Majo Study XXX

(Sennen Battle Phase 17) [End Less Line (Kaina)] Oniyanagi Kyousuke (21) no Yuuutsu (Yu-Gi-Oh! 5D's)

Shishunki no obenkyou | Puberty Study Session

Let's Study xxx Soushuuhen

(C83) [Holiday School (Chikaya)] Steady Study (Summon Night 3)

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

Moon Phase

Pikanicle Chord Phase 2

[Himeno Mikan] Hankouki | Rebellious Phase! (COMIC LO 2012-01) [English] [Mistvern]

(Sennen Battle Phase 10) [HEATWAVE (Yuuhi)] Otanoshimi wa Korekara da! (Yu-Gi-Oh! ARC-V)

[Takurou] Ecchi Tokidoki Obenkyou | The Sexy, Heart-Pounding Study [English] [The Lusty Lady Project]

(HaruCC21) [Utachan Honpo, JIEITAI (Utako, Ketudora)] Shounen! AV o Toru zo! (Kekkai Sensen)

(SPARK10) [A-mw. (makka)] Tenshi na Kimi ni Itazura shitai (Kekkai Sensen)

Alice in Adult Bubble Land

(Sennen☆Battle Phase17) [HEATWAVE (Kaitou Yuuhi)] Futanari Shimai no Entame Niku Benki (Yu-Gi-Oh! ARC-V)

Let's Study xxx 4

[Ginseiou] Bimai Okasu

PHASE 4

(Sennen Battle Phase 18) [Rainbow Connection (Sopra Nina)] Soukan Nyowatari-san (Yu-Gi-Oh! ARC-V)

(Sennen☆Battle Phase 9) [ANNIELAURIE (Toyama Nanao)] GALACTIC SHINKON LORD (Yu-Gi-Oh! Zexal)

[Teri Terio] Tsuneaki-chan Benkyouchuu | Studying with Tsuneaki! (COMIC X-EROS #02) [English] [4dawgz + Maipantsu]

(Sennen☆Battle Phase12) [Quartzshow (hari)] Partner Nante iwa Senai! (Yu-Gi-Oh!)

甘い研究 ～A study in sweet～

(Sennen Battle Phase 19) [WANI CAP (Marimo)] Omae no Koto wa Sorehodo (Yu-Gi-Oh! Zexal)

(COMIC1☆11) [MoonPhase (Yuran)] moon phase material (Fate/Grand Order) [Chinese] [绅士仓库汉化]

Movie Study Club 7.5 (EXTRA CHAPTER!)

(Sennen Battle Phase 20) [Watabokori (Toyama Nanao, Ibonnu)] LOVE LINK (Yu-Gi-Oh! VRAINS)

(MOON PHASE) [Bakeda Daigaku (Bakedanuki)] Nekotama (Tsukihime)

Oshiete Study

(Ikai Toshi no Arukikata) [All + 37564 (Koureiji, Kamo)] UNBALANCE NAME (Kekkai Sensen)

(CR29) [Hisuitei (Izumi Tsubasu, Sakai Hamachi)] Pure Study (Air)

[MECCHORI (Mitsuru)] HARD CANDY FULL COURSE (Kekkai Sensen) [Digital]

Pikanicle Chord Phase 1

[Shiokaze Sango] Inma no Kyoudai Ch. 1 (COMIC Mugen Tensei 2016-11) [Chinese] [CE家族社][Digital]

Marshmallow Study!

Mushaburi Learning | Let's Study Penis

[Yukiu Con] Manga de Wakaru Seiinbenkyouhou | Study Method With SEMEN -comic edition (COMIC LO 2016-03) [English] {5 a.m.}

ABC Studying Adult ABC%27s With The Blonde Haired Woman

(Sennen☆Battle Phase16) [Quartzshow (hari)] Tsunaide Hoshikute Shouganai (Yu-Gi-Oh!)

(COMIC1☆10) [MoonPhase (Yuran)] Jougasaki Mika no Yasashii Yume (THE IDOLM@STER CINDERELLA GIRLS) [English] {KFC Translations}

Benkyou Shimasenka? | Should We Study? {YQII}

(Sennen☆Battle Phase10) [Neo Wing (Saika)] Mermaid Memory (Yu-Gi-Oh! ARC-V) [Chinese] [赤游]

(SUPERKansai21) [LUCA (Esuko)] Leonardo Watch wa Shigoto o Erabanai. (Kekkai Sensen)

Oku-sama wa Dildo Ball ni Goshuushin

Futanari Kyokon Kuro Gal Kanojo to Benkyou Oheya Date da to Omottara Soku Onaho Atsukai Fukujuu Gyaku Anal nante... | What I Thought Was Going To Be A Study Date

(Sennen Battle Phase 16) [Sukidarake (Fukuzawa Yukine)] Darling wa Enma-sama (Yu-Gi-Oh!)

[Kuroki Hidehiko] Momojiri Danchi Mama-san Volley Doukoukai - Mom's Volley Ball | Momojiri District Mature Women's Volleyball Club Ch. 1 [English] {Doujins.com} [Digital]

(Sennen Battle Phase 5) [Kisumayo, Amanatsu kuorite, DIZZY (Nakagawa shōko, Amu, Akashi Kuyou)] Shi shi shaku (Yu-Gi-Oh! Zexal)

[Kiya Shii] Momoiro study! Vol.01-06 (Complete)

[Nihon Waru Waru Doumei] The Folklore of Nekomimi

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

Onee-chan's boot style study session

(SPARK10) [mameDTI (Kureha)] Sawarudake Plus (Kekkai Sensen)

[Contamination (eigetu)] Mou Modorenai -Futa Musume no Seitai Sono 2- | 回头已无岸 [Chinese] [黄记汉化组]

[Goban] Ikkyuu Nyuukon - Only My Oppai Soul

[Meganei] Shishunki no obenkyou | Puberty Study Session (COMIC Shingeki 2019-01) [English] [Shippoyasha] [Digital]

(C88) [MoonPhase (Yuran)] Nishikino Maki no Warui Yume | Maki Nishikino's Bad Dream (Love Live!) [English] [L-Lewd... Translations]

Mama Colla

(Sennen Battle Phase 18) [HEATWAVE (Kaitou Yuuhi)] VR taiken-kai (Yu-Gi-Oh! ARC-V)

(Sennen☆Battle Phase15) [Gussuri., Lilliput (Rihi, Ichikawa)] Nemesis (Yu-Gi-Oh! ARC-V)

[Jigsaw (Itonoco)] Ginsekai de Machiawase (Kekkai Sensen) [Digital]

(MOON PHASE) [PLUM (Kanna)] Gepparou Maki no Ichi.Go (Tsukihime)

[Hatomame (Harazumi Tami)] Ike Nyotaika Keika Kansatsuki | The Story of Ike's Transition to a Woman's Body (Fire Emblem: Path of Radiance) [English] [ketenefm] [Digital]

(Sennan Battle Phase 23) [I.U (Iu)] POTION (Yu-Gi-Oh! ARC-V)

(Sennen Battle Phase16) [Kenkou wa Migaki World (Hammy, Kikuichi)] LDS Hishoka no Himitsu II (Yu-Gi-Oh! ARC-V)

(Ikai Toshi no Arukikata CENTRAL) [ayafujii private circle (Fujii Aya)] Leo-kun no Oppai ga Ookiku Natte Taihen na Koto ni. (Kekkai Sensen)

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

Movie Study Club Episode 2

Naisho no benkyou | Secret Study Time

[Do well !!! (Tatsuka)] Kanojo wa Boku no Taieki de Ugoite iru Phase. 01 [English] =NSS= [Digital]

[Ozy] Seiseki Koujou!? Sakura Sensei no Home Study (COMIC Masyo 2022-05) [Chinese] [Digital]

(Sennen☆Battle Phase 9) [ANNIELAURIE (Toyama Nanao)] GALACTIC SHINKON LORD (Yu-Gi-Oh! Zexal)

Ari Jigoku no Hime - Princesa de las Libelulas

(Sennen Battle Phase 16) [BORRELLI (moz)] Shuurou Visa o Motanai Boku ga Nihonnen o Kasegu Houhou (Yu-Gi-Oh!)

(Sennen Battle Phase19) [Neo Wing (Saika)] NeverLetMeGo (Yu-Gi-Oh! VRAINS)

(Sennen Battle Phase 20) [Neo Wing (Saika)] BlindGame (Yu-Gi-Oh! VRAINS)

(C90) [MoonPhase (Yuran)] Jougasaki Shimai no Itazura na Yume (THE IDOLM@STER CINDERELLA GIRLS)

Free Study On The Roof (eng)

Phase12

(MOON PHASE) [Kohakutei (Sakai Hamachi)] Mutsumizuki - Hisui - (Tsukihime)

(Sennen Battle Phase 22) [Nerimono. (Chikuwa.)] Kawaiihito (Yu-Gi-Oh! VRAINS)

(BLOODYZONEWEST) [P-Dogs (Akimoto)] Melting Sugar Pot (Kekkai Sensen)

Phase1

(Sennen Battle Phase 6) [Amenoko (Ame-ko)] Drnkard. (Yu-Gi-Oh! 5D's)

The Fay's Phase

[blackmonkey] study together

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

Plus short manga ~ Tachibana san in the neighborhood!

(Sennen Battle Phase 14) [Pero (Daga Shikashi)] Mitsu na Kankei (Yu-Gi-Oh! ARC-V)

[Morinaga Milk] Study After School

Les Phases de la Lune | 月相

(Sennen☆Battle Phase5) [Kagamibiraki Hajimemashita (Kagami Mochi)] Toku ni Arimasen (Yu-Gi-Oh! ZEXAL)

(Sennen Battle Phase 14) [sugar ink (Sumiko)] Oniyanagi ga fueru hon (Yu-Gi-Oh! 5D's)

moon phase material 6malphas6

Mushaburi Learning - Let's Study Penis

I want to be taught by my sister~my sister's study time

Service Time LOVER

(Sennen Battle Phase 18) [Mohaya Rikai Funou (Various)] Yureru Furiko no Keiyakusha (Yu-Gi-Oh! ARC-V) [Incomplete]

Next Phase

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

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

[Okano Hajime] Country Study

[Itou Ei] Neteru Ma ni Okarishimasu!! - Pussy Hole Lady`s Sleeping Sex Job! (COMIC Kairakuten 2016-01) [English]

(Sennen Battle Phase 9) [Zyusimatu (Zyusimatu)] Mizael Rank Up (Yu-Gi-Oh! ZEXAL)

(Sennen☆Battle Phase19) [HEATWAVE (Kaitou Yuuhi)] DIMENSION SEX (Yu-Gi-Oh! ARC-V)

[Akiyama Kenta] Eh~Ken!! - Movie Study Club Ch.1-7.5 (Comic Aun 2013-2014) [English] [The Lusty Lady Project]

(Sennen Battle Phase 22) [Hamstring (Shirowi Jam)] Ryouken wa Zurui (Yu-Gi-Oh! VRAINS)

(Sennen Battle Phase 21) [HEATWAVE (Kaitou Yuuhi)] 4YF (Yu-Gi-Oh! ARC-V)

(SPARK10) [COLOR PALETTE (Shiho)] Mission Outside (Kekkai Sensen)

Phase4

(Sennen Battle Phase 21) [AYA] Zu~āku wa dare no iu koto demo kii chaukara totemo shinpaidesu (Yu-Gi-Oh! ARC-V)

Mashiro Benkyoukai | Mashiro's Study Session

Phase5

[Jigsaw (Itonoco)] Datte、Oresama ga sou tsugeteru (Kekkai Sensen) [Digital]

Seiyoku Byoutou ~ Ijitte Ijirare Ikasareru Dekapai Nurse no Kango Kiroku

Fukusui Bon ni Kaerazu mo

(Sennen Battle Phase 12) [Ultimate Zekkouchou (Anko)] Nakanaide, Shun (Yu-Gi-Oh! ARC-V)

バッドアップル

Shishunki no Obenkyou 5 | Puberty Study Session 5

君は媚薬?

[Double Deck Seisakujo (Double Deck)] PHASE4 : Dai 4-shu Sekkin Souguu [Digital]

The Sexy, Heart-Pounding Study ~Mihoshi is Punikyunyaa! Ch. 3

[16 Kenme] Social studies club (shota)

(Sennen Battle Phase16) [Kenkou wa Migaki World (Hammy, Kikuichi)] LDS Hishoka no Himitsu II (Yu-Gi-Oh! ARC-V)

(Sennen Battle Phase 20) [Neo Wing (Saika)] BlindGame (Yu-Gi-Oh! VRAINS) [English]

(Sennen☆Battle Phase17) [Soratomoe (John)] Doutei Sotsugyou Present (Yu-Gi-Oh!)

[Takasugi Kou] Ingi no Hate 2 [English] [desudesu]

(Sennen Battle Phase 17) [Caramel Pudding (Nanakusa Mutsuki)] Kimi ni Furetakute (Yu-Gi-Oh! ARC-V)

(Sennen Battle Phase 25) [Siden (suzu)] Sērā-fuku wa o sukidesu ka? (Yu-Gi-Oh! VRAINS)

(MOON PHASE) [Venom (ZIN)] Poisonix Version Epsilon (Tsukihime)

(Sennen Battle Phase 10) [Puppurin (Itsuki, Yosuke, Mochiko)] DOPPINS (Yu-Gi-Oh! Zexal)

Shalader Second Magnificent Phase 14

(COMIC1☆10) [MoonPhase (Yuran)] Jougasaki Mika no Yasashii Yume (THE IDOLM@STER CINDERELLA GIRLS) [Chinese] [今日漢化]

(Sennen Battle Phase 20) [@] Into the Brains (Yu-Gi-Oh! VRAINS)

Funabori Nariaki - Blue Saga

(Sennen Battle Phase 18) [Sankakukona (Hirono)] Yokare to Omotte Rank Up (Yu-Gi-Oh! Zexal)

[Higeta] Phaser (Oyasumi, Teenager - Good Night, Goodbye) [English] [ConTL] [Digital]

Renai Katekyo + secret study

(BLOODYZONE) [idaten (Izaki Toshiaki)] Tamani wa Chikoku Suru no mo Warukunai. (Kekkai Sensen) [Incomplete]

(Sennen Battle Phase 14) [Neo JR azuma kaisatsu (Azuma aratame)] Moshi ashita sekai ga owarunara. (Yu-Gi-Oh! ARC-V)

[Phase#End] Watashi wa... Suki desu yo