(Ellie and I shall now enlighten you all quickly since confusion:
- Ruby made some deal with Shizuko to murder someone with a leg of lamb
- Kei manipulated Ruby to murder Tsubaki because of the motive/selfishness
- They took a bunch of fireworks and rigged some of them
- They used red tape to mark the fireworks they rigged
- They had Tsubaki light the rigged fireworks and she was caught in an instant self-explosion
- Ruby dragged the body to the temple to show everyone
- Tsubaki woke up, so Ruby bludgeoned her to death with the lamb leg
- Kei took the lamb leg, cooked it in the oven, then ate it until there was only a bone
- Ruby took a bunch of wet towels and used them to extinguish the explosion fire
The bone was the murder weapon, but not entirely)