The "240" in the series' title is pronounced "Nishio" as a reference to the writer's name. The manga celebrates the 15th anniversary of Nisio Isin's writing career, and it includes characters from Nisio Isin's...

High school graduation ceremony marks the end of one's youth. As the elder of the twins, Itsuki had "the best" ceremony surrounded by his friends and girlfriend. Alternatively the younger twin, Haruka, had "the...

In the beginning spring of high school life, "Sakono" Ikumi and "Sakono" Touma were utter strangers. The only coincidence is that they have the same family name and in the same class, but when they noticed the...

From MangaHelpers: A new program has been set in place for a certain area, where children are separated by gender into eastern and western territories. They're raised with no contact with the opposite sex...

https://www.corocoro.jp/title/545

Aoi and Haru are secretly dating. However, Aoi notices that Haru has been worried about something, and the next day, he sees her fall from the roof of the school. He then discovers that she put a chart of...

it's a love story about the relationships between three childhood friends. A boy, Aiga Tsubaki, is in love with a girl, Chisato Himawari, who is also his childhood friend, but Himawari is in love with another...

Soyama Kyora had a brain surgery, and developed strange desire for females after that, could she resist herself?

When it comes to the face of this student organization, it's a little weird, like a fool, scary, or moody. However, mysterious and futuristic days that seem strangely cute pass by. The world's cutest daily life...

The student council members of a certain high school are chosen by an extremely unique method: They are chosen based on their popularity with the other students of the school. This unique balloting system has...

17-year-old Saitou Ken joins the student council filled with otaku... specifically BL fan-girls...

"I applied here since it's a close walk from my house. But it's really full of girls, huh?" In this 4-koma series Tsuda Takatoshi is a new student in the formerly all-girls, and recently gender-integrated...

Incidents have been happening around the school, and it's up to the Student Council to resolve it before things get out of hands. The S.C President, Washimiya Hikari, has been entrusted with the task of...

Fumizuki Mai just recently moved into town and is starting her new life at school. She soon realizes that the curriculum is really weird, consisting of body fitness classes, undressing classes and extreme...

Sekime-san is only cold to me. But I'm the only one who knows her true face.

Hoshizaki Kaito and Tojo Rin are popular high school students who are both intelligent and beautiful Although the two don't get along well with each other, while running for president during the commemorative...

An unknown, tall-hatted noble. A lovely and beautiful high-class lady. A competitive and energetic high school girl. These three mismatched people each aim for one place, each with different reasons. Who is the...