The Seven Deadly Sins: Four Knights of the Apocalypse manga volume 9 features story and art by Nakaba Suzuki.

The identities of the Four Knights of the Apocalypse have been revealed: four teens who couldn't be more different! When they finally meet in one place, they have an immediate opportunity to demonstrate their abilities by destroying two members of the Ten Commandments, who were resurrected as Servants of Chaos. 

But they were only the advance party for the enemy's next attack. A new threat is heading their way, ready to rain down disaster upon Liones. This may be the start of the deadliest conflict since the Holy War…!