Under the SOTUS system, where freshmen undergo hazing from their seniors, Arthit continues his harsh instruction as the head hazer of the Engineering Department. But Kongpob is starting to figure out that it's all just Arthit's awkward way of showing kindness, and he's charmed by it. Meanwhile, the hazers' final task, "The Scramble for the Flag," is soon approaching...
While Arthit continues to train his juniors under the SOTUS system, his previous strictness has faded away and he's come to earn their affection. Later, Kongpob enters Arthit's room, only for a misunderstanding to occur and for Arthit to distance himself from him. But Arthit can only escape for so long before he realizes his true feelings for his junior... The sweet romance between upperclassman and underclassman comes to a close in this finale.