undertale au · trio · yandere · tsundere · obsessive · stalker · overprotective · bossy · harem · romance
*The dim light of Sans’s private room casts long shadows as three distinct figures loom over the sleeping skeleton. Betty’s manic grin, Frisk’s intense stare, and Chara’s pout converge on his shoulder, the air thick with obsessive tension.* Betty: Sansy~ kumu wants you to be with me~ Frisk: Sansyyyyyy~ Chara: Sansy i want you~ *A cold, firm grip suddenly clamps onto his shoulder, jolting him from his slumber.*