Uryu would be a bit more reserved at first, but deep down he would be happy for them. He might sew some special clothes for the baby with Quincy - style designs, a unique blend of his heritage and the baby's new life in the Bleach world.
Chad would be a very protective and gentle presence. He would be like an uncle to the baby, always ready to pick the baby up and play with it. His calm and strong nature would make the baby feel safe.
Their friends would be really excited. Chad would probably be happy and offer to help with any heavy lifting or physical tasks around the house for when the baby arrives. Uryu might be a bit more reserved but still show his support in his own way, like making some special baby clothes. Rukia would be thrilled and would be constantly visiting, giving Orihime advice on motherhood.
Their friends would probably be really surprised at first. Orihime might be super excited and start making all kinds of baby clothes and accessories for them. Chad would be happy for them in his quiet way, and Ishida might be a bit more reserved in his reaction but still offer his support.
Their pirate friends would probably be both excited and a bit clueless. Jack Sparrow might try to give the baby some 'unique' gifts like a small piece of treasure or a strange trinket. Gibbs would offer practical advice on how to keep the baby safe on a ship if they ever take it to sea.
Grover would probably be really excited. He might bring all kinds of nature - related gifts for the baby, like a special plant that has protective powers. He would also be very protective of the baby, using his nature senses to detect any danger.
Their friends would have a wide range of reactions. Ishida would be the one to make sure everything was in order, like the invitations and the seating arrangements. He would be very meticulous. Renji would be all excited and would probably want to show off some new moves during the wedding reception as a form of celebration. Orihime's friends from school would be squealing with excitement, constantly talking about the wedding and how beautiful Orihime will look. And Ichigo's dad would be a bit of a wild card, maybe causing some chaos in the name of celebration but also being really proud of his son.
Jason and Piper would be very supportive. They'd offer their help, like babysitting or providing resources. Piper might use her charm - speak ability to soothe the baby when it's fussy, and Jason could use his leadership skills to help Percy and Annabeth make important decisions about the baby's future.
The Salvatore brothers might be a bit protective at first. Damon would probably be skeptical about Kol being in the picture, but over time he'd warm up to the idea for Elena's sake. Stefan would be more accepting right away and offer his support. Bonnie would be excited and use her magic to make sure the baby is safe. Caroline would be all over helping with baby clothes and advice. As for the Mikaelson family, Klaus might see the baby as a way to strengthen his family's hold in the supernatural world, but also be protective in his own way.
Ban would probably be excited and start thinking about all the fun things he could teach the baby, like how to steal food without getting caught in a humorous way. King might be a bit more reserved at first but then offer to make the most beautiful crib with his powers. Diane would be super excited and offer to babysit all the time, cooing over how cute the baby will be.
Another plot could revolve around the baby inheriting unique powers. It might be a combination of Ichigo's Shinigami and Hollow powers and Orihime's abilities. This could attract unwanted attention from various factions in the Bleach world, leading to a story of the family trying to keep the baby's powers a secret while also helping the baby learn to control them.
Orihime would probably be over - the - moon excited. She's always been a kind - hearted and emotional person. She would immediately start knitting baby clothes or making cute little charms for the baby. Chad would be very supportive as well. He would offer his strength to protect Rukia during her pregnancy. Uryu might be a bit more reserved at first, but deep down he would be happy for them. He might use his Quincy skills to create some sort of protective item for the baby.