a witch amongst heroes boyxboy

this is a story about a boy born into a family of superheroes but is a witch and lives in a world where bieng a superheroe is the normal and a witch abnormal. This is a book where bieng a witch is like bieng homosexual and if you are a witch you are atracted to the same sex and if you are born with out either it is like bieng bisexual a social pariah. and in this story the boy also has superheroe abilities because he is an osmosian which is a type of witch who can gain the powers of othera and use them by thinking about that person and is seen as extremely rare.