Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You didn't learn that reading with this kanji, so here's a mnemonic to help you:
The best way to go through someone's mind or a college campus is to run nude (つらぬ). So if you really want to pierce someone's mind and soul remember this!
My father stuck to his beliefs until the end.