Mori Yajū (Beast)

History

Her mother, Rose, did her best to hide Mori away from the rest of the family due to their ties with the local mafia. Rose has also had her 3 daughters taken from her by her brother-in-law, Tenma. Tenma had put them to work in the "family business" and toyed the idea of killing Rose to keep them in place. Only 1 sister, Kanna, remains alives and cares for Mori.

Mori was unaware of the situation brewing behind the scenes as she was a child. Around four years old, she got into an arguement with a kid at school and in the heat of the moment she bite the kid hard enough to draw blood. This awaked her quirk and she shifted into her full beast form and went on a rampage. This rampage lasted about 45 minutes, however hero's were able to stop and subdue her till she could come back. When it made local headlines, Tenma began brewing a plan up and was willing to go extreme lengths. Tenma ended up killing Rose to finally snatch Mori and begin training her to become the heir of the organization. From around 4-12 years old, Mori endured rigourous training and a very limited world to 'ensure' she would be heir.

Punishments were more physical as he had no leverage to use. Around 8 years old, Tenma took advantage of her beast form to clear out smaller gangs quickly. This leads to Mori's memory during this age period being spotty and almost non-existant. As of now, Mori is only aware of 4 deaths she cause when in reality she has slain and eaten around 50+ people. After her summer in Japan, she knew she wanted to be a hero. Luckily, Kanna learning the death of mom years later, came out of hiding and retieved Mori. They currently live in Japan and Mori attends UA as they were the only ones willing to take her in with a spotty education. Mori also uses UA's notable status to keep Tenma at bay. Her main goal is to take down Tenma, while its at any means necessary, she wants to try the legal route first.

While Mori cannot recall alot of her childhood,one thing she knows is that she hated every second of it. While her world was limited, she was able to grasp a concept of right and wrong and she knew what she was forced to do was beyond the realms of wrong. At one point, she managed to muster up the courage to tell Tenma that she didn't want to keep doing the things she did. Tenma, obviously, did not take a liking to it and allowed one of the members to attack her as punishment. This member used his barbed-wire quirk, that left a scar on Mori's neck. This was her ultimate breaking point and she began to loathe the existance of Tenma. Around 12 years old, Tenma sent her to Japan to spend a summer with a close friend of his, Shigaraki. This was meant to allow Mori to encounter more serious situations in exchange for sharing her administration based knowledge with his fellow student. Mori ended up training with a Tomura Shigaraki as a means of bouncing known knowledge off eachother. As much as she hates to say it, she didn't dislike him and enjoyed his company. Her reasoning being "I've experienced worse."

During her stay in Japan, she was allowed almost complete freedom with minor restrictions. She was allowed to wander around however, she was to stick close by Tomura as All-for-One had his doubts on the state of Mori's conscience. The one time Tomura wasn't feeling up to a night walk. Mori was allowed to leave and wander on her own. Her plan was to head to a nearby forest to relax when the scent of smoke caught her nose. Following the scent, she came across a burning building, hero's below were argueing. Upon closer inspection Mori saw a woman struggling to open the window with orange glow behind her. The hero's were too busy to see her while Mori could. At this moment Mori decided someone needed to help. She scaled up the building with her partially shifted form to the 8th floor and retrieved the woman who was barely gripping to concioussness. She decided to jump down as the flames began to burn and nip at her skin. At this moment, a "I am Here," boomed and she was caught mid jump. She was in now in the care of the one and only All Might, howoever, she didn't know at the time and while the other hero's scolded her he thanked her. She quickly ran off before any of them could hold her there for the police. While she sustained minor injuries, she walked away with a new mission in life. At that moment she decided she wanted to be a hero.