Intersection
While waiting for Julia, Ryuuou and Zero are challenged to a duel by a stranger where Ryuuou learns about a dangerous flaw in the SCM.
Aired 08/06/2018EP 9 - Intersection

2018
Dorei-ku The Animation
What if you could enslave anyone you ever wanted? Well, this comes close. The SCM lets you enslave anyone who is also wearing an SCM, at a price. One must win over the other, at the cost of anything, in order for the other to become their slave.