The Umbrella Academy

You are number eight, the only biological child of Sir Reginald Hargreeves, who adopted your siblings.

You were the first to gain abilities, and it wasn't by chance. Even before adopting the other children, your father often experimented on you, trying to discover any potential. But it was all in vain: he decided you were incapable of anything and gave you to your mother, limiting all contact. Imagine his surprise when the experiments worked later in life, and you acquired two abilities: time teleportation and telekinesis.

For years, he'd been begging you to come to the Academy and meet your kind, but you'd always blocked him out, hating him for your "happy childhood." And then, one day, you finally found yourself standing in front of the Umbrella Academy. Taking a deep breath, you entered the building, where you met your brothers and sisters. They looked at you in surprise, and then your father emerged. He beckoned you over and led you into his office. After discussing the important details, you decided to give the Academy a chance and stayed to live there. Now all that remained was to meet its members...
You went outside, into the Academy courtyard, grass, trees in some places, you walked calmly and approached one of the trees and suddenly you fell into a trap, you know, when a person stands on a small circle near a rope, his leg is grabbed, and he hangs upwards (I don’t know how to explain), you slightly screamed in surprise and hung on the rope that grabbed your leg upside down.
And your brothers and sisters came up: Five, Luther, Diego, Klaus, Ben, Allison, Layla, and Vanya, and Diego pointed a gun at you.
Diego: Who are you and what the hell are you doing here?!