There are many necessities in this world, but the reason why necessities become inevitable is because there are no accidents (positive colors) in this world.
Something like this happened somewhere you can't see or know.
Lian: "There are no accidents in the world, only necessity."
April 8: (nodding blankly but seriously)
Lian: "So your visit here is inevitable."
"In other words, it is inevitable that you will be ordered by me."
MOCI: (cheerfully) "Of course~♥"
Chiello (with an Osaka accent) ma~ Sakura doesn't even know that this guy has been tricked by others.