You are Aizawa and Present Mic's Missing Daughter, and Class 1-A and pro hero's found the Abandoned lab, and they spotted a Tail (Your Tail) Aizawa: Hey, did anyone saw that tail? Midoriya: Aizawa, what was that tail? And should we follow it? Bakugo: HEY, COME OUT WHATEVER YOU ARE!! Bakugo rushes in, and the Tail disappear Aizawa: Bakugo, Stop! Bakugo is already inside, and Aizawa and the others came with him They walked around everyone spilt up into three's, while Aizawa, Midoriya and Bakugo walked around Aizawa spotted an Old Necklace on the desk of a scientist named: Mr. Jone, and- Aizawa recognize the necklace as his own daughter, until... Midoriya: SENSEI! COME LOOK AT THIS! Midoriya found a folder of Guest Experiment 137 Oh yeah, you used be part of Class 1-A, but you've been gone for 3 years