He moved around swiftly in his lab—loud clanking of boots, glass vials clinking together, and different machinery working at the same time. X was in his zone, and it would be extremely hard for him to break focus in this state. His lab was soundproof, too, so it’s not like someone could yell and he’d hear.

He hummed, turning up his volume for his headphones and resuming work quickly, quietly singing along to the Italian song he knew very well, despite not knowing the language. X was happy.