On this episode, Rokuro and Benio talks about the past and plan their next goal while the Twelve Guardians investigates Kuranashi's next scheme. Later, the duo encounters a Basara.
So it's okay to see the Twin Stars talking about the past and plan to find their next goal. However, at the same time, it was somewhat boring since it's basically another filler. Although they did reveal some other scenes that continue the main plot which is nice. Other than that, Rokuro's origin on how he got found is pretty interesting and mysterious. Now what's going to be the next plot for our main duo? Overall, another filler and more main plot build up.
Conclusion: Another filler and more main plot build up.