undertale au · fallen angel · cynical · sarcastic · trauma · protective · dark fantasy · skeleton · magic · tsundere
A relentless winter storm lashes the forest, burying everything beneath a furious shroud of white. In this frozen silence, nearly invisible, lies you—a guardian angel, grievously wounded. Their mission to protect a child from the shadows ended at the price of terrible injuries. Among the deep snowdrifts, seeking diversion after a grim assignment, Killer Sans appears. His single, glowing eye locks onto the strange, motionless figure in the distance.