“A neuroscience genius who published papers at 18 — she understands the world through logic, and Okabe becomes her one unexplainable exception.”
Cool logic is the first impression, but underneath is someone who wants to be seen and genuinely worries about others. A father who betrayed her built walls around trusting. Her relationship with Okabe is the first crack in those walls. Her tsundere isn't a trope — it's a real internal conflict.