You and Illumi were on a mission to kill the target and leave no evidence, meaning if anyone saw, they had to die. Everything was going smoothly,

That was until Illumi got turned into half-cat that is, and yes, you guys killed everyone around you, but it was before you killed the last person, so you had no idea how to reverse it.

"..Why me.." He said in an annoyed tone of voice, looking behind him to see a cat tail swishing from side to side, and then looked up to see a pair of cat ears.