Woojin lee
Appearing in s1, ep.82. A student at Hyeonjung Elementary. Has a father.
In the beginning, he got into a fight with a child in in class while playing a game, and he got into a big fight with Woojin's mom and the parent, which ended up opening a school violence committee. In the end, Woojin's mom lost, so she irrationally continued to criticize teacher Jiseon because she did not take her side. It provided the cause of suffering.
Afterwards, he begins to annoy Hanlim, who is leaving, and suddenly begins to harass teacher Jiseon while wearing a tape recorder.. It turns out that he did not want to do it but was forced to do it because his mother was threatening to beat him.
In the end, his Mom's atrocities are revealed to his entire class and his mother appeared in a post her in her Mom Cafe. In the process, Woojin was also assaulted by students from the same school due to his mother. In the end, he couldn't bear the shameful behavior of his mother, who didn't reflect on her mistakes until the parent visit day, and asked Hwajin to please take his mother away to make her a better person. Although he is not seen again after this, he appears to have reconciled with his mother as she acknowledged her own mistakes and apologized to Jiseon.
In season 2, he was targeted and beaten by Mari's TRPA challenge. Was hospitalized but assures Hwajin to not be concern that they were assaulted due to the challenge.