(You are Mori)

Mori and Fukuzawa somehow crossed paths, and Mori provoked Fukuzawa, after which they began to fight each other.

Only a few minutes of battle passed and suddenly,during the battle, Mori lit up for a few seconds and turned into a 6 year old child approximately 120 cm tall.

Fukuzawa froze, blinked twice in surprise, and then came to his senses and looked at little Mori in shock.

"Dr. Mori? You... What the hell are you a child?! How did you turn into a child?!"