One day, Mizuho, a university student, receives news that her classmate in high school, Origuchi Haruka, passed away. Mizuho doesn't remember being best friends with Origuchi, but apparently, Origuchi told her...

Note: This webtoon adapted into a Korean film on 2023 under the name Concrete Utopia. Original Webtoon:Naver Webtoon, Naver Series Official Translations:Japanese

17-year-old high school student Asami Kawakami's friend, Chiharu, has stopped answering her phone and never comes to school anymore. She would rather spend her time playing Portus, an old videogame. There is an...

What started as a urban legend turns into a rondo-like mystery. Can these high school girls avoid a predetermined massacre? Based on the alternate reality game (ARG) developed by Project:;COLD, which entails...

He is a bullied schoolboy who can lipread and she is the top senior student and school idol. Their paths rarely cross apart from him staring at her through his class window… One day though things change, and...

A group of masked terrorists take over a middle school and hold special class 3-A's teacher hostage. The students are given 48 hours to find all 2,014 puzzle pieces hidden throughout the school if they don't...

Every Thursday afternoon, once a month, students at Love High cast their votes in a popularity poll. The result? A brutal ranking system that determines the entire social hierarchy of the school. After starting...

Touma Sou graduated from MIT, but he comes back to Japan because he wants to know how it feels to be a high school student. On the other hand, Mizuhara Kana is a strong girl who loves sports. Together, they are...

Hana was enjoying her peaceful days at school until she received a mysterious letter which said: "Do not say a word."... She doesn't know what to do, thus she begs for help of her friends to find out who is the...

Souichiro Hino's mother may be a world famous psychic, but she sure has trouble keeping track of everyday details. For example, that 'wonderful' new school she sent him to was embroiled in a string of grisly...

Natsume Kanade wakes up with a terrible headache from the day before unable to remember who he is. Being confronted by a strange man with dark-rimmed glasses who calls himself "God" and being told that he is a...

A remake/reboot of the Sukeban Deka series. A society made up entirely of minors... a "school"! Saki Asamiya is appointed as a student detective, a.k.a. "Sukeban detective", in order to solve difficult cases in...

The morning after the meteor fell on Japan, a beautiful but mysterious transfer student, Monica, appears in front of an ordinary high school student, Kuroishi Leo. The moment she uttered "I will protect you...

Tokiwa Kanenari likes to masquerade as a substitute science teacher, but he's actually in the business of dealing with the spirit world. And there are spirits in all sorts of things around him, from amber...

Makoto does not have it easy. He gets bullied in school and has problems with his father due to skipping School. His outlook on life brightens when Kirisaki, a girl in his class, compliments his drawing skills....

Karam's new teacher, Mr. Lee, is also her mother's new boarder. Why does he seem so interested in Karam, and why does she feel some strange connection to him? This is a story of past and present lives, love...

Tsutsumu Shisui is brought up by his grandfather, Dr. Yuujirou after his father, Dr. Hiromu died. But now Yuujirou also died with a lot of debt. At Yuujirou's funeral, Tsutsumu's cousin, Sou Takigawa suddenly...

When he woke up, he was in a white room with no exits and an oncoming red cube... why?! Who put him there? And for what reason? The person who suddenly appeared before them is he a friend or a foe? He doesn't...

When the protagonist of this work dies, the soul enters another body and can reset the life as many times as possible. A male high school student who is being bullied, and a female college student who has been...

From MangaHelpers: One day, Matsui Sakura receives an invitation to a "Revenge Game," and decides to attend. At the location indicated, she ends up locked in a dorm-like building with four of her classmates...

From Pocket Comics: Her best friend tried to kill herself, but why? In order to find out the truth, the protagonist meticulously crafts a revenge plot to make all the culprits and their accomplices pay...