Maruki's lips curled to the side as he finally unfurled his sandwich and stares down at the bread. He gets one of the sauce packets and proceeds to dissect the poor food while adding in his preferred combination of sauces because god forbid these guys actually add enough to even make the food taste like something. Next time, he's making some Japanese breakfast.

He chuckles at the mention of the pens. "Well, knowing your older self from my world- you have always been too curious. Albeit too reckless." As reckless as going to a Palace right before the school entrance. He could only imagine how stressful it must have been to balance his doctorate research while raising a kid.
"...How old were you during that little incident? Like any vague number or..."