He grabbed Takitsubo’s limp arm, wrapped it around his shoulder, and lifted her slender body up almost onto his shoulder.

“Hamazura.”

“Quiet,” he said cutting off whatever she had been trying to say.

Despite her slender frame, she still felt as heavy as the metal balls put on prisoners’ legs long ago.

[...]

But he didn’t last long.

His body hadn’t been eaten into by Body Crystal like Takitsubo’s, but his strength was not infinite. He had been involved in more than one fight that day and he had run who knows how many kilometers. His stamina wasn’t going to hold up. His muscles screamed. His legs trembled and he knew he would collapse to the floor at any second. At the same time, he heard numerous footsteps coming up from behind him. He could also hear the clanking of the metal parts of submachine guns.

Toaru Majutsu no Index vol.19