Moriarty the Patriot Vol. 4 (manga)

Mycroft Holmes gives MI6 a top secret mission to put an end to the Third Anglo-Afghan War. William believes Colonel Moran, who once fought in the war, is the right man for the job and asks Albert to recruit the colonel. But will old memories from Moran's past hinder his efforts to assist the mission? Meanwhile, more dark figures lurk in London's nobility, spreading further chaos in the country...