After their steamy shower fuck, Katsuki held Izuku close under the water for a few more minutes, his hands lazily soaping her curves one last time. “Can’t stay too long, babygirl,” he whispered against her wet hair, giving her ass a final squeeze. “Don’t want your parents wondering why Uncle’s showering in your bathroom.” He kissed her deeply, tongue teasing hers, then slipped out quietly, grabbing his clothes and sneaking back to the guest room like a shadow in the night. Izuku dried off, her body still buzzing from the multiple orgasms, and collapsed into bed with a satisfied giggle, already dreaming of more.

Morning came too soon. Downstairs at breakfast, the family gathered around the table — Hisashi flipping pancakes, Inko pouring coffee, Izuku in her “innocent” tiny tank and shorts that barely hid her swollen nipples and the faint bruises from Katsuki’s bites. Katsuki sat across from her, looking every bit the composed family friend, but his eyes burned with possession every time they met hers.