What OP gets stuck in your head the most

[deleted-user-8fc958e75c]

The instrumental is nice-nya

 

[xxii_]

recently these two

 

[AnonymousContributor]

The first MAO opening of s1 got in my head

 

[Manko-sensei]

One in particular, and for an obvious reason @Angry_Panda

 

[Apollo_Ibis]

Brave Shine and The Everlasting Guilty Crown