Haruka saw the boy suddenly running up to the beast, was he trying to kill himself? Even though this assignment is a rank D the bird is still lethal if it hits you in the right spot. She looked at the weird bug flying around the guy, it looked a little like an summoned exbeast, so that would mean he himself was a summoner. She didn't know any other classes that would make use of exbeasts and just assumed he was for now. Haruka looked back at the bird and it was just about to spit something out, she squinted her eyes at the beast his beak opening as her own mouth opened "Paralysing agent" She trew the kunai that she still was holding in her hand covered in paralysing chemicals at the beast his mouth, attempting to hit it inside him.

She hadn't noticed till now that the beast has blocked his own ears with some dirt to keep out the sound. The new guy in front of her suddenly tried to take the lead and Rian didn't look all to happy about him doing so "How fun, a new enemy it seems" she smirked at the guy that had Rian his spell cast on him. She didn't know what the spell did exactly but even though the guy had this spell on him he still tried to take on the bird in front of him "This guy has guts." She dashed unseen at the new guy behind his back and took out some invisible wire out of her jacket that was commonly used to make traps, but it can be used in different ways to. 

Some swift arm movement were made by Haruka without making to much sound. It only took a moment to make a few proper knots to try and attempt to bind the guy in one instance. Haruka threw the 8 circles of wire over his head and pulled all of them in the next second binding his arms to his upper body and his legs to each other, making it unable to move his arms nor legs. If she made one or two knots wrong he would likely be able to escape the trap she made. She pushed his back with one hand lightly attempting to make him fall and smiled calmly at her party "I think we don't need to worry about him anymore."