Reunion, Ichigo and Rukia

Ichigo runs into trouble battle Yammi, and Ulquiorra watches the battle. Urahara and Yourichi come to aid, Ichigo and his friends, and they get the upper hand, when Ulquiorra decides to leave, because his mission for Aizen is done.
Meanwhile, well everyone is healing. Ichigo gets really depressed because he couldn't save his friends from injuries. Well a surprise group comes to help him, from the Soul Society. They are there for battle the new threat, Arrancars.