Superdimensional Romanesque Samy Missing 99

A young schoolgirl Samy sees some bikers hurt some other girls and that makes the bikers come after Samy While fleeing she gets the help of a boy and her dog but she still ends up in a different world along with her dog In there she helps a witch who has lost her glass eye But bad demons search for her as well and soon she ends up in the fight between gods and demons because she holds a great power within