Protective Umbrella

Protective Umbrella (保護傘 Hogo kasa) is an unamed Rubber Magic Spell.

Description
Tsubame acquires certain amount of rubber created by objects around her she then compresses it between her palms until it becomes small as a marble. She then throws it on top of a person's head which then slowly inflates around him or her. The armor itself is very lightweight and can withstand great amount of damage.