“It won't hurt you anymore!”

he tightens a bandage around your knee

“I'm a thousand thousand percent sure!”

during a quick search in search of spring berries you tripped in the river and hurt yourself, it wasn't anything serious but you knew well that if the wound got infected it would get worse, so as soon as Senku found out he ran to help you with some of his medicine

you woke up from petrification about a year ago,since then Senku has always kept you under his protective wing