[Anti-Mary Sue] Lacrimosa

Once upon a time, anti-Sue stories were all the rage, and anti-Sue groups seemed to embody justice.

But just two years later, anti-Sue stories gradually disappeared from the literary scene, and everyone slowly forgot about the anti-Sue groups.

This is a nostalgic tribute from a sentimental fan, borrowing the anti-Sue group concept from the earliest anti-Sue story, "I Swear I Won't Become a Buddha Until the Sue God Is Dead." It has a Black Butler setting, a serious tone, and is a little chuuni.

Premise: