The Broken Magical System

On one fortunate day, Mark found himself in a world full of fantasy. he was surprised to find out that his name and appearance is that of his previous self. but soon he discovers something that totally blew his mind. [ Magical system 1.2.6 has activated ] he knew from him the previous world, what a system is. but still, everything happening around him remained a mystery. the owner of this body is supposed to be a cripple when it comes to Magic but... [ Element affinity - Ice (S+) Magical potential - SSS ] "huh? this system is really broken." [ special quest - save the Humankind. special quest - resurrect the dead. special quest - create a Harem special ques.... ] Join Mark in his amazing journey. 4 to 14 chapters a week. I am trying to update 2 chapters a day. and that's my limit. if everything goes well 14 chapters a week.