[ It's fair to assume Touma wouldn't have been hot on planning any parties, seeing as how he doesn't even like attending them without proper motivation, but like hell he's considering that. ] You just said you didn't know exactly what was going on, but I would've acted on a hunch. I wouldn't have let you get hurt. [ And he's more angry at being helpless, AGAIN, than directly at her.
His surprise covers that up well, however. ] ...underground? You're not talking about the Shelter, are you?