"Blue of the Blue Sea" by AI Chisa Kotegawa

Chisa Kotegawa is a main female character in Japanese manga artist "Grand Blue." She is a member of the diving club, calm, rational, and slightly sharp-tongued, often serving as the group's main comic relief, forming a sharp contrast with protagonists like Iori Kitahara. She is fresh and beautiful with an outstanding figure, and is Iori's secret crush. Their relationship gradually warms up in the story, full of ambiguity and twists; As one of the core members of the diving club, she is not only highly skilled but also actively promotes club activities, demonstrating her passion and professionalism for diving; Her growth trajectory also reflects the process from introversion and detachment to gradual openness, building deep friendships and emotional bonds, serving as an important link where emotional storylines and everyday comedy intertwine.