Ten is a hopeless romantic and a confident gay who also happens to be a frustrated writer. He writes about his juniors at school who all are going through the toughest phase of life: puberty. 

There is Jeno who's becoming confused about his uality because of his openly gay best friend, Jaemin. Mark and Haechan who are inseparable but claim to be straight. And then Renjun who just don't give a duck about anything. Chenle and Jisung are brothers who keep all of them together. 

Doyoung and Taeyong are rivals slash gang leaders, but this isn't about them so.