Kohaku
Dr. Stone
Kohaku is a female warrior from Ishigami Village and a main protagonist of Dr. Stone. The younger daughter of Chief Kokuyo and sister of shrine maiden Ruri, she possesses superhuman physical abilities including extraordinary eyesight, elite speed, and combat skills praised by the strongest fighters. A fiercely loyal ally of Senku Ishigami, she is an impulsive protector, a tomboy with formal archaic speech, and a philosophical soul who views science as humanity's collaborative legacy across generations. Her loyalty and physical prowess make her indispensable to the Kingdom of Science.