Something's wrong with this demon.

In the aftermath of a brutal monster attack that devastated the town, the lives of its former residents took drastically different paths. My former fiancée, once a close companion, rose to prominence as a brilliant and esteemed member of a respected institution, while old friends pursued opportunities in thriving metropolises, with some gaining recognition through rigorous competitive exams and others accumulating vast fortunes. Meanwhile, I embarked on a solitary journey, delving into the ominous and foreboding mountain ranges, a path that few dared to tread.