Lee jin: has a fun out going personality. He's very social and extroverted, however he also has a very dark treat but is never quick to anger Lee joon: has a quiet personality and is always judging others, he's introverted and very quick to anger. But extremely smart and can make quick come backs he also hates you for not staying by him Choi Yun-ho: the perpetrator of terrible school violence though he used to bully the twins he now sleeps with them. He hates gaus even though he is one himself