James Potter always knew he wanted to build a family, he just hadn’t found the right person to build it with - yet. Freezing his sperm at Gringotts Sperm Bank was a no-brainer really. He’d have children when he found the right person, and now he had an insurance policy. Then Lily Evans walked into his place of work to get her young son’s vaccines done- the boy the spitting image of him.
I got an ask for this on my edit blog last month or so, but the requester never got back to me about requesting it here, so I took it into my own hands again!