Having cleared the Abyssal Shaft, the members of the raiding party have returned to Akihabara to consider their next options. First though, there's an unexpected lesson in history as the founder of the Debauchery Tea Party resurfaces with an extremely peculiar entourage and some even more stunning revelations about connections to the outside. But the ramifications of this will have to wait. With the new political situation brewing between the Guilds the members of Log Horizon are sent out on what should be a simple quest. Collecting materials required to make a magic bag, however, becomes more complicated when ogres and nightshades get involved! But the team is about to get a jolt of fresh blood ... in the form of a vampire! The action escalates in the second thundering collection of Log Horizon Series 2.