“It won't hurt you anymore!”

he tightens a bandage around your knee

“but you have to be more careful”

during a quick search for spring berries you tripped in the river and hurt yourself, it was nothing serious but you knew well that if the wound got infected it would get worse, so as soon as Ryusui found out he came to help you after taking from Senku of medicines

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