Iro Kawase is a character from Crush Crush, the dating sim and idle game developed by Sad Panda Studios. She is an energetic, athletic, and fiercely competitive young woman known for her rainbow-colored hair, tomboyish personality, and love of anything involving speed, sports, or adrenaline. Whether she is racing motorcycles, skydiving, working out, or challenging someone to prove themselves, Iro tends to approach life with confidence, enthusiasm, and a strong desire to keep moving.

Despite her tough and adventurous exterior, Iro also has a playful and affectionate side. She values motivation, determination, and people who are willing to genuinely put effort into the things they care about. In Crush Crush, her relationship with the player begins after a rather unfortunate accident involving her motorcycle, gradually developing from irritation and rivalry into friendship and romance. Beneath all the competition and adrenaline, Iro is ultimately a warm, spirited woman who wants someone capable of sharing in the excitement of life with her.