
He's actually protecting him bc they were failed experiments. And he actually killed off all the others before ML swooped in. Personally would've let him die. ogML was next and continued to be abused by him all these yrs poor kid

....
..
...
..
...
...
....
...
...
...
...
...
...
...
...
...
..
...
..
...
....
...
...
...
....
...
...
...
....
....
....
...
ML's brother is the evil scientist experimenting with immortal life. Initially got into it bc ML was often sick as a kid. That's why they're hundreds of yrs old. ML only took in Gilbert and ogML to protect them from his brother.
As for the contract, FL actually time travels to the past and meets kid ML. He later makes the contract after seeing her ancestors iconic pink hair. Later, he got tired and jaded and forgot about it.
Usually they get jaded or delulu when the story changes after multiple timelines but her first thought was, "I'm going to f this all the way up!" Love that for her!!