Ron could have a more comical reaction at first. He might laugh and make some jokes about it, but then when he realizes it's important to Harry or that it serves a purpose, he would come around and be protective of Harry in his new attire. For example, if other students start to bully Harry for wearing the dress, Ron would stand up for him.
Dumbledore would likely see it as an interesting development. He would observe Harry closely to see how the mask affects him. He might also try to guide Harry in using the power of the mask for good. Snape would be his usual skeptical self. He'd think that Harry is getting involved in something he doesn't understand and would be secretly keeping an eye on him.
The Weasley twins would absolutely love it. They'd see it as a great opportunity for more pranks. They might magically enhance the dress to do all sorts of crazy things, like change colors or play music, all while Harry is trying to go about his normal day at Hogwarts. And they'd be very protective of Harry if anyone made mean comments about his dress - wearing.
Yes, there are likely some fanfics out there with such a concept. Fanfiction writers often come up with creative and unique scenarios like this. You can try searching on major fanfic platforms such as Archive of Our Own or Fanfiction.net.
Hermione would likely be devastated. She might go into a deep state of mourning, but also use her intelligence to try and figure out what led to Harry's death. Ron would be angry and heartbroken at the same time. He'd probably want to seek revenge if there was someone or something responsible.
In the fanfic context, it might initially shock Draco. However, this act by Harry could also be a catalyst for Draco to re - evaluate his own rigid views. Harry's wearing of the dress could symbolize a step towards a more fluid and accepting relationship. It could start a conversation between them that they never had before, and they might start to discover shared interests or values that were previously overlooked because of their rivalry.
It could be a story about a bet. Maybe Draco dares Harry to wear a dress, and in the process, they start to see each other in a new light and develop an unexpected friendship or more.
Hermione would be very worried. She would likely try to convince Harry to come back, reasoning with him about the importance of family. Ron, on the other hand, might be a bit more understanding. He might give Harry some space at first but also keep an eye on him. Dumbledore, if he were still alive, would probably have a long - term view. He might let Harry go for a while, knowing that Harry needs to grow on his own, but also be ready to guide him back when the time is right.
Sakura might be initially shocked and then start laughing uncontrollably. She would probably tease Naruto about it for a while. Sasuke, on the other hand, would likely just give a slightly raised eyebrow and then act as if it's not a big deal, but deep down he might be a bit amused. Kakashi would probably make a dry joke about it.
Hermione would probably be both amused and concerned. She might try to find a magical solution to get him out of this situation as quickly as possible while also having a bit of a chuckle at the absurdity of it all.
Hermione would probably be devastated at first. She might throw herself into researching ways to bring Harry back or to find out if he's truly dead. Ron would be angry and feel guilty, thinking they should have protected Harry better. Ginny, on the other hand, would be heartbroken but also determined to carry on Harry's legacy.