A Misunderstood Deku

All of the group continued to follow the girl, when Mineta asked a question the rest were foolishly facepalmed for not asking. "What is your name?"
She responded, pleasantly cordial. "My name? I'm Aria."
Mineta replied back, with a smile. "Nice to meet you."
She looked at him surprised. but reciprocated. A firm believer in the golden rule, it seemed. "Wish it was at a better time..." Tilting her head when they reached an intersection, she continued to lead, following the hidden music. "This way."

Navigating this maze, attempting to find him... the group eventually Eventually, they reached a back alley, but no sign of him in sight.

Bakugo was impatient at this point, glancing around. They might as well be lost, having followed their guide to seemingly nowhere. "Where the fuck is he?"
Aria clutched her ears, in response to something beyond their range of hearing. It was too loud for her to remain here. "He's really close. His music... it's too... intense..." That was the only warning they had... before the wall on their left broke as Mirko, the pro hero was flung through it, followed closely by...

"Izuku!" Momo called out to him, but was held back by Jiro. For the moment, it was way too dangerous... and it was just as they feared.

Mirko recognized that there were civilians. Glaring at them with a mere glance, she commanded, "Run, I'll hold this sucker off!"

The raven haired girl refused to back down. "But he's our friend!"

Dodging another blow, she gave the situation. "The LOV did something to him, and now he's gone berserk!" It was then that he tackled her into the far wall, slamming and pinning the five ft. two heroine in between the wall and the floor, preparing to bite down for blood. 

Bakugo ran towards him, and shouted. "Damn it Izuku! Get ahold of yourself!" With him not responding, he had no choice. "Sorry... AP SHOT!" The blond shot an explosion to attempt to dislodge him... but it didn't work. It landed, but only shook him slightly. He still wore his hero outfit, which was fire, explosion and electrical proof... so it resisted his explosions, and with his natural durability... it would be nothing but a nudge.

But that was all he wanted to do. With that, Izuku glared to the group. Withering under the crimson gaze, and stood up fully. When Mirko struggled to get up, he swiftly kicked her back into the ground. She couldn't move due to the pain, but he started lurching towards them, then stopped. His eyes dimmed slightly, and he seemed to gain control over himself. "Please... go... I can't... control... it... so hungry..."

Aria was terrified, and rightly so, but the others waited with a calm determination.

Momo was horrified. She could tell something was done to him... but not what. "What did they do to you?"
"They... quirk amplifier..." His eyes glowed red, to full strength once more, and he clutched his head. Yelling in an almost inhuman agony, the bloodthirsty boy couldn't control himself any longer, launching forward, towards the group. Aria, closest in the front, screamed but was pulled back by Bakugo. 

As Jiro and Mineta tried to protect their unwitting helper, Momo realized what exactly happened. Quirk amplifier... his quirk causes bloodlust... he needs to feed to calm down!

Calling out, she walked towards the front, "Bakugo, I think I know how he can be calmed down. But it's going to need all of us to be at the ready."
The explosive blond nodded, "Right. Just start your plan, Crafting Table." To the rest, he directed, "Everyone fall back!"

They did, but Momo stepped forward. Izuku stopped moving, clutching his head once more and said again: "Please... go... I don't... want to hurt you..." One hand was in the middle of his head, but another was over one of his eyes. It glowed from under his grip.