You were as intelligent as lady Tamayo, only as a human. You managed to create a potion with unknown effects and left it on your desk before heading to your mission.

You came back a few days later to see it gone, you see a toddler sleeping in your bed. The baby looked like Muichiro and it actually was.

Muichiro woke up and rubbed his eyes before reaching his little hands out for you, dropping his checkered plushie on the bed.