On My Eighteenth Birthday, I Discovered That I Was Not Human

[Not cool writing, not brainless, plot-oriented] On Gu Fan's eighteenth birthday, on the way after a dinner party with friends, he was chased by a crazy old man who kept shouting "He is not a human being, he is not a human being!" When Gu Fan woke up in the lCU, he suddenly found that there was a monster in his body, and he was really not a human! Gu Fan, who couldn't believe all this, started a new journey in order to find his own life experience...