Shit. Makoto sighed, guess it wasn't enough.

It was a bit weird and awkward, but there wasn't much else he could do about it. He untied the handkerchief and held out his arm, looking away. He also hid Nino from view with his wings.

Perhaps they could look into getting blood from a butcher's shop later when they were back in Index. Probably something to bring up later. For now, he was just going to have to deal with what he started.