Edit in JSFiddle

var app = new Vue({
  el: '#app',
  data: {
    idols: [
      {name: 'Kirara Asuka', born: '1988'},
      {name: 'Rina Ishihara', born: '1987'},
      {name: 'Yui Hatano', born: '1988'},
      {name: 'Ai Shinozaki', born: '1992'}
    ]
  }
})

<div id="app">
  <ol>
    <li v-for="idol in idols">
    {{ idol.name }} - {{ idol.born }}
    </li>  
  </ol>
</div>