[quote=harinezumikouken]
Glad to hear that Railgun S has less fillers. Never saw the OVA or movies. What's that starry-eyed blonde's Esper ability? I'm curious to know unless that's some huge spoiler.FUKO DA!!! -Clutches right arm angrily-
[/quote]

She's the Queen of Tokiwadai, one of the Level 5's of the city. She has mind control powers, essentially.