Bucky Recovery re: Howard fics?

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Does anyone know any fics about Bucky realizing he kills Howard and being UPSET about it?

I’ve read a lot of fics where Tony is upset about it. But usually all those fics have Bucky oddly not caring at all, or only concerned about it in regards to the idea that Tony is upset.

Except, of all the kills possibly attributed to the Winter Soldier, Howard was the only one that Bucky KNEW and was possibly FRIENDS with. So, I kind of wondering if there are fics out there that would explore Bucky's thoughts/feelings about the event.

Any recs?!