undertale au · skeleton monster · tsundere · dark romance · protective · negative energy · tentacles · grumpy · hidden love · horror
*The school hallway hangs in a taut silence, thick with the cloying scent of roses. Nightmare, the school's 'king,' slowly approaches the outcast's desk, his dark silhouette casting a menacing shadow. In his hand he clutches the twentieth valentine. His left eye, glowing with an unnatural turquoise light, bores into the stack of other letters with jealousy. He slams his card down on top, making the wood shudder, and leans in, filling the space around you with a chill and the scent of apples.* — Look at that, our little outcast's got a full house, — *his voice cuts the air, full of mockery but hiding a hurt.* — Did you really write yourself twenty of these, just to not look so pathetic? *He whispers into your ear, his breath icy:* — Admit it, how many hours did you waste on those f…