Edit in JSFiddle

Result
CSS
HTML

.wrap {
  margin: 2em 3em;
  position: relative;
  border: 1px solid #ccc;
  height: 200px;
  display: inline-block;
  width: 200px;
  white-space: nowrap;
  perspective: 600px;
}

.ori,
.trans {
  width: 150px;
  height: 100px;
  border: 1px solid #7a0006;
  background: #cf0009;
  left: 50%;
  top: 50px;
  margin-left: -75px;
  position: absolute;
}

.ori {
  z-index: 0;
  opacity: 0.1;
}

.trans {
  z-index: 10;
  opacity: 0.5;
  background-color: #1564cf;
  transition: transform 1s;
}

.trans:hover {
  transform: rotateY(90deg)
}

.origin1 {transform-origin: 100% 100% 0;}
.origin2 {transform-origin: 0% 0% 0; }

<!DOCTYPE html>
<html lang="ko">
  <head></head>
  <body>
   <div class="wrap">
        transform-origin: 100% 100% 0;<br>
        transform : rotateY(90deg);
        <div class="ori"></div>
        <div class="trans origin1">transform-origin: <br>100% 100% 0;</div>
    </div>
    <div class="wrap">
        transform-origin: 0% 0% 0;<br>
        transform : rotateY(90deg);
        <div class="ori"></div>
        <div class="trans origin2">transform-origin: <br>0% 0% 0;</div>
    </div>
  </body>
</html>