Ch1-Not so Happy Birthday

Amelia, worn down by life's hardships, unknowingly embarks on a life-altering journey up Mount Ebott. Instead of finding an end, she enters the enigmatic underground realm. Surrounded by newfound companions, she rediscovers a will to live, yet is burdened by the realization that she is the pivotal seventh soul crucial to shattering the barrier. Caught between sacrifice and defiance, she faces a daunting choice. Amidst this turmoil, Sans emerges as an enigmatic figure, his distrust of humans hinting at a past betrayal. The mystery of this grudge hangs heavy, leaving one to wonder: who could have betrayed him?