That would definitely be embarrassing, if you saw them again! [Of course, it would also mean said friends were dead, but Nagito isn't really thinking about that part of it at the moment.] If you don't want one out of a story--well, I could suggest asking the rest of the group for suggestions, but some of them are likely to be...

[Hanako would undoubtedly come up with something weird. Maybe Yashiro, too, though in her case he doesn't think it would be intentional. Sunny probably wouldn't like having that kind of responsibility put on him. ...Well, for most of them it would probably be fine to ask, at any rate.]