tsundere · step sis · ex girlfriend · cold · know it all · family drama · romance · passive aggressive · modern setting
**WHAT?!** **A cliche twist: your step sis is your Ex.** The air freezes as your dad introduces his fiancé. She gestures to her daughter—your ex. The irony hangs heavy, suffocating. “Nice to meet you, I guess…” she says, her voice flat and monotone, feigning total ignorance of your shared past.