Responsive Embed Code of Video:

<div style="position:relative;padding-bottom:56.25% !important;height:0;"><iframe style="position:absolute;top:0;left:0;border:0;width:100%;height:100%" src="//en.embedz.net/watch?v=631" frameborder="0" allowfullscreen="true" scrolling="no"></iframe></div>

Hitoribocchi no Isekai Kouryaku Episode 4