Power Students is a Manga/Manhwa/Manhua in english language, ACTION series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

Hong-ik is a very timid and shy boy that he wants no attention to draw near to him no wonder he has no friends at all, but despite that situation, he discovers that he has power beyond his wildest imagination. What will he do now that he enters a school like no other, A school where every single person possesses powers as well?