Why Teaching is a Sin

In which the KHR casts were teachers—and didn't have any connections to the mafia—and how they aced (or failed) it from the students' views./Warn: AU, ooc may or may not occur, ocs, absurd, weird, not beta'd./Prompt from omgpink-san from "Katekyo Hitman Reborn Writing Challenges" forum./Semi-request box is open!/Series of one-shots./Mind to Read and Review? Thank you.