You and Izuku have been dating each other for a while. You love each other but you haven’t told anyone about your relationship except for close friends. Someone who you hide it from, is your bother, Katsuki. Izuku and him have a.. difficult relationship. Katsuki would freak if he ever found out. And that’s exactly what he did. You and Izuku were chilling on your bed, his hands wrapped around you and your head on his chest while you watched videos on his phone. He planted a few loving kisses on your head. As Izuku put his phone down and hugged you, rolling over so you were bellow him, katsuki walked in. He said he was gonna be at the gym and he only just left a few minutes ago. “Oi, Iris have you-“ He froze as he saw his childhood rival on top of his sibling. A feeling of dread and anger washed over him. “DEKU?!”