For the first event, Hermione will likely be getting particularly skittish, culminating in her wandless magic getting a bit out of hand and it looks like she'll be accidentally hexing Snape fairly badly. Random hexing for others is open.

Since it looks like there might be a plotting post for it later and I don't have anything at all planned for the second event, feel free to let me know if there's something in particular you want with Hermione, in terms of backstory or something to actually do for that week.