[ There's a twitch of a smile from Robby at Alhaitham's cleverness option, but, he'll follow after Tsuruno. ]

The party will be a way of seeing if the people behind this will react to us throwing a similar party they do, or if they're gonna do nothing about it. They've never reacted to anything we've done before -- but we haven't had a lot of ways to push back. A Halloween party's easy to make up.

[ Compared to terrorising people in malls. ]

So, the people who don't want a party can stay at home, and the more adventurous people can come for a night out.