I've Become the Antidepressant of the Crazy Dragon

Introduction to the Work: ‘Jung Hae-il’ was possessed by ‘Hae-il,’ the only character capable of guiding dragons. It was a hidden setting not even mentioned in the novel, but he could accept it up to this point. However, this character is the son of Gaile Trecliffe Dean, who killed eight dragons. ‘I’m going crazy.’ He has to kill his father for the sake of the dragons, and he has to kill the dragons for the sake of his father. What am I supposed to do with this? * * * ‘I miss my mom.’ When he saw the dragon appear before his eyes, he was thinking, ‘I’m dead now.’ [I sense something similar to the World Tree.] That bastard was blathering about sensing something similar to the World...