When Sora enters high school, his homeroom teacher is a sexy gal with huge breasts and she's none other than the changed version of Suzune, the innocent girl next door who was his first love! As the teacher's "educational guidance" escalates day by day, Sora is awakened to pleasures he's never known before...!
Gal-sen has finished publishing and it has 81 Chapters. It is also Known as: ギャルせん, Gal Sen, Gyaru Sensei, Gyaru Sen, Gyaru-sen
Genres: Comedy , Ecchi , Female Teacher , High School , School Life , Romance , Japan , Present
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Top 5 Manga Like Gal-sen [2026 List]
5. Ano Oni Kyōshi ga Boku no Ane ni Narundesuka
A boy is initially overjoyed at the news of him having an older sister, due to his father remarrying to a woman who has a daughter. That is, until he finds out that his new sister is actually his school's strict PE teacher, Shina. With his father going off to live with his new wife, the boy will live with alone with his new sister. In their new life together, the boy finds out that Shina at home is completely different from Shina at work: clumsy, scared of insects, and kind.
That Demonic Teacher Will Be My Sister? has finished publishing and it has 23 Chapters. It is also Known as: あの鬼教師が僕の姉になるんですか, ¿Esa profesora demoníaca es mi hermana?, Ano oni kyoushi ga boku no ane ni narundesuka?, Guru Killer Itu Akan Menjadi Kakak Perempuanku?, Is that demon teacher my sister?
4. Boku no Kanojo Sensei
Can sensei be the heroine? Please?
Due to a traumatic experience, I have a distrust of people called “sensei”. I, Saiki Makoto, was called by after school by the most popular and beautiful teacher at my school, Fujiki Maka-sensei.
“I… love you” Eh– a confession out of the blue!? “Until you say you love me, I will continue to pursue you”
Ever since then, I’ve been called by for “guidance counseling” after school, somehow watched AV together, being given excessive skin-ship, went on dates together. Over time, I gradually became conscious of Sensei…? But isn’t it bad for Sensei to go out with her student?
A romance that is absolutely NG, the forbidden love between us two.
Lesson start!
My Teacher-Girlfriend is currently publishing and has Chapters. It is also Known as: 僕のカノジョ先生, Boku no Kanojo Sensei
3. Ai Kora
Maeda Hachibei is peculiar, because, when most males lusting after gorgeous females, he instead lusts after discrete parts. When he relocates to Tokyo to attend school, he finds himself living in a dormitory with five females, each possessing a distinct ideal physical trait he desires: gorgeous blue eyes, bullet-train breasts, a deep dulcet voice, and straight "anime-esque" legs. Can he manage to keep his wits when these women surround him? Although you would not be completely incorrect if you believe this is like Love Hina… Hachibei is no Keitaro.
Vol.12 contains the oneshot "The Boy Who Heard Too Much", written before Inoue Kazurou was a serialised mangaka. It was later reworked into the basis for 'Heat Wave'.
Ai Kora has finished publishing and it has 120 Chapters. It is also Known as: あいこら, Ai Colla
2. Kou 2 ni Time Leap Shita Ore ga, Touji suki Datta Sensei ni Kokutta Kekka
I was a corporate worker in my 30’s, when I woke up and found that I had time leaped to the spring of my second year of high school. At the time, there was a teacher that I had regretted not confessing to, so I confessed to her in the heat of the moment, and now we’re dating! However, the teacher is one who would make any man a good for nothing person, so I end up being spoiled by her a lot.While secretly dating my overworked teacher (lover), a sweet school life filled with flirting awaits. A 2nd year high schooler with a 30 year old me on the inside and the teacher (lover) that I want to pamper, our everyday romantic comedy begins.
Note: Chapter count includes 3 extra chapters
The Results From When I Time Leaped to My Second Year of High School and Confessed to the Teacher I Liked at the Time has finished publishing and it has 58 Chapters. It is also Known as: 高２にタイムリープした俺が、当時好きだった先生に告った結果, Kou 2 ni Time Leaped Shita Ore ga, Touji suki Datta Sensei ni Kokutta Kekka, El resultado de cuando viaje en el tiempo a mi segundo año de secundaria y me confesé a la profesora que me gustaba en ese momento., Hasil Dari Ketika Aku Melompati Waktu ke Masa Saat Aku Kelas 2 SMA dan Menyatakan Perasaanku Kepada Guru yang Aku Suka Saat Itu, 고2로 타임슬립한 내가, 당시 좋아했던 선생님한테 고백한 결과
1. Nande Koko ni Sensei ga!?
17-year-old Ichirou Satou is an average teenager who always happens to find himself in perverted situations with his teacher, Kana Kojima. Follow this erotic love comedy about their mishaps throughout their daily lives and how Ichirou and Kana choose to handle them.
Note: On Hiatus due to creator's illness.
Why are you here Sensei!? has finished publishing and it has 120 Chapters. It is also Known as: なんでここに先生が!?, Golden Times
