Nensu was quite surprised, to the point of feeling relieved, that something or someone had managed to interfere with the assault. She didn’t know who or what saved them, but that didn’t really matter now. Nearby, her friend was hurt, and in critical condition. Approaching Midoriya, she took a look at his arm, gently touching the burn mark. The first thing she had to be against were the offenders, and the last thing she needed to discover, were her friends and family getting hurt, killed, or worse. 
Approaching the wounded teen, she gently placed her right hand on the burn, giving him the cold needed to tune down the burn, knowing that it was the right to do when it came to getting one. “Are you alright?”