Ichigo Kurosaki is a half-demon?

After his fight with the Quincy King, Ichigo finds out he is the descendant of Trigon. The Soul King then gives Ichigo an ultimatum, leave the current dimension for another or to be killed, Ichigo accepts the Soul Kings offer and with his two allies been and Grimmjow he joins the Teen Titans. Better summary in story, collaboration with ShiroHollow96