Urogi was the one out of all the clones of Hantengu that was infected by the lactioc crow disease. His brothers and even Hantengu himself was scared to get close/unite back with the rest of them because they wouldn't know if the disease will spread to everyone else, and so the clones didn't unite with Urogi until he fully recovers, a day after his surgery he hasn't receive any news if they could visit making him bored much, pick who you wanna be! (Sorry for changing it so much)