A detail steve forgot to mention

When Steve Rogers dies, Sam and Bucky expect a quiet funeral—until you show up, deliver a eulogy that starts with “He was just my dad,” and shatter everything they thought they knew. You’re the secret chapter of Steve’s life, suddenly tangled in their world… and one Bucky Barnes is having a much harder time than he should ignoring the fact that he’s falling for the one person Steve never told him about.