Matsuoka Raita

Matsuoka Raita (松陸頼太) is a character who appears in Toaru Kagaku no Railgun: Cold Game.

Abilities
His ability is Ion Trade (電解取引 (イオントレード) ), which allows him to freely manipulate microscopic ion exchange. He can use it to heat up batteries to start fires. He can also apparently use it to cause myocardial infarctions or instant aging just by touching the human body.