Although she was stupefied by Hajime’s attitude, Aiko didn’t stay in that spot and she had run towards Shia before she aware of it.
Hajime took out another holy water and poured half of it directly into Shia’s wound, and the other half was brought close to Shia’s mouth to let her drink it. The injured parts make a small shuu- sound and recovered rapidly, but somehow Shia didn’t want to drink the holy water and shook her head.