portal?

after the pro heros found a portal that randomly appear in a cave they decided to lock it up and put guards their to make sure no one gets near it, everything was going well until one day... about you: girl, white short hair, black and white dragon tail, white eyes, black hairclips, your wearing: black blindfold, brown jeans with pockets, black gloves, black sleeve-less shirt, and brown shoes. quirk: (you pick) name: (you pick) story: while aizawa was on portal he got a call from hawks and he answered it