Sequel to Tuesdays with Padfoot, and Tuesdays with Padfoot: Fourth Year. I would highly recommend reading those first. Harry and Sirius deal with the aftermath of Voldemort's downfall, learn to process their trauma together, and adjust as life goes on. Harry is growing up, Sirius is dating, and though Voldemort is death, a new threat may be lurking.

A series of one-shots about Sirius and Harry's life after the fall of Voldemort. They are in no particular order. Some are fun and happy, others will be angsty and heavy. These are based on my Tuesdays with Padfoot universe, so you would need to read those stories to get the full context.

Sequel to Tuesdays with Padfoot. It would be very beneficial to read that one first. Harry has been adopted by Sirius and is living with him and Remus. The Order is meeting, searching for Horcruxes and fighting to stop Voldemort's return. Is AU but generally follows canon events from GOF.

AU in which Remus and Sirius work together to clear Sirius's name and get him custody of Harry. Harry and Sirius build a relationship and learn to live together, and Dumbledore is more forthcoming and works with the Order to take down Voldemort.

One shot AU in which James survives to raise Harry with Sirius and Remus. 8 year old Harry is upset about an upcoming school event in honor of Mother's Day. How the three men in his life help him cope with not having Lily there for it.