ONE: High School Heroes

Kim Eui Gyeom (Lee Jung Ha) is a top student at his school. Despite his father’s oppression and strict discipline at home, he tries to stay away from violence and bullies at school. Kang Yoon Ki (Kim Do Wan) is a student at the same school as Eui Gyeom. One day, he notices his schoolmate’s natural talent for fighting and offers him to form a High School Heroes team against the school bullies.

Weak Hero Class 2

Yeon Si Eun (Park Ji Hoon) transfers to Eunjang High School and becomes friends with Park Hoo Min (Ryeo Un), Seo Joon Tae (Choi Min Young) and Go Hyun Tak (Lee Min Jae). But in this new school, he now faces a violent group called The Union. The groupe includes students like Na Baek Jin (Bae Na Ra) and Geum Sung Je (Lee Jun Young).

Pyramid Game

Sung Soo Ji (Bona) transfers to a new high school in Seoul. One her first day, she has to participate in the Pyramid Game where students vote for each other. The person with the lowest vote gets bullied for a month by the rest of the class. Soo Ji is voted out and bullied. Meanwhile, she tries to put an end to the game.