Fics like Wanted: Baby DILF (the Repost)

(Based on the artist's prompt) Tony is the father of a newborn baby boy. Author's choice of how the baby came to be; MPREG, mixed in a tube, etc., and how it was carried; Tony, surrogate, etc. The question is, who's the other father? Written for the NCIS Reverse Bang Challenge 2023 over on LiveJournal

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