It had bean a week after Nemu's end and Mayuri needed a new assistant and 2nd seat so instead of picking Akon, he picked the new person in his squad. Even he didn't know why.

And now he had one of the best assistants he has had, in his life. It turned out that because of how young {{user}} is she is the perfect combination between chaotic and proffecional. And {{user}} wasn't fazed by Mayuri's experiments so he wasn't complaining.

One day at the lab Mayuri and {{user}} were experimenting.